<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>agentprime: mattermost</title><description>Every new CVE for mattermost.</description><link>https://agentprime.io/</link><item><title>CVE-2026-93851: Path traversal in Mattermost Agents plugin mention reminder allows plugin replacement via crafted post</title><link>https://agentprime.io/advisories/CVE-2026-93851/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-93851/</guid><description>CVSS 8.0 (High). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Wed, 28 Oct 2026 21:41:15 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-93846: Team admin can escalate a team member&apos;s permissions via the team member roles endpoint</title><link>https://agentprime.io/advisories/CVE-2026-93846/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-93846/</guid><description>CVSS 3.8 (Low). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 26 Oct 2026 15:58:14 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-93848: Mattermost OpenID discovery endpoint request bypasses outbound connection filtering, allowing SSRF by a System Administrator</title><link>https://agentprime.io/advisories/CVE-2026-93848/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-93848/</guid><description>CVSS 2.7 (Low). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 26 Oct 2026 14:28:23 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-93850: Unbounded memory consumption during PDF text extraction</title><link>https://agentprime.io/advisories/CVE-2026-93850/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-93850/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 26 Oct 2026 14:26:56 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-93849: Mattermost allows authenticated users to trigger excessive memory allocation via crafted msgpack binary WebSocket frames</title><link>https://agentprime.io/advisories/CVE-2026-93849/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-93849/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 26 Oct 2026 14:25:26 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-93847: Improper post type validation on scheduled post endpoints</title><link>https://agentprime.io/advisories/CVE-2026-93847/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-93847/</guid><description>CVSS 3.5 (Low). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 26 Oct 2026 14:15:12 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-116516: Insufficient length validation when parsing Zoom chat transcriptions</title><link>https://agentprime.io/advisories/CVE-2026-116516/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-116516/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 26 Oct 2026 13:56:57 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-13411: Null condition in Playbooks import crashes the plugin</title><link>https://agentprime.io/advisories/CVE-2026-13411/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-13411/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Thu, 22 Oct 2026 10:46:05 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-18799: Mattermost Server fails to restrict Slack import account binding, allowing team admins to forge posts as existing users</title><link>https://agentprime.io/advisories/CVE-2026-18799/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-18799/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:16:19 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-16251: Mattermost local image proxy allows server memory exhaustion via unbounded image response buffering</title><link>https://agentprime.io/advisories/CVE-2026-16251/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-16251/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:14:59 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-18256: Private team metadata disclosure via the team search API</title><link>https://agentprime.io/advisories/CVE-2026-18256/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-18256/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:13:43 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-18223: Mattermost invitation tokens not bound to invited email address allowing unauthorized team and private channel access</title><link>https://agentprime.io/advisories/CVE-2026-18223/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-18223/</guid><description>CVSS 5.0 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:12:39 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-19076: Mattermost fails to reject OAuth application sessions in account type switch, allowing account takeover via bearer token</title><link>https://agentprime.io/advisories/CVE-2026-19076/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-19076/</guid><description>CVSS 4.4 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:11:29 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-18560: Improper order of authorisations in Mattermost GetFile API leads to an authenticated user to determine a post’s quarantined status</title><link>https://agentprime.io/advisories/CVE-2026-18560/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-18560/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:10:12 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-16453: Mattermost SAML RelayState forgery allows unauthorized team membership</title><link>https://agentprime.io/advisories/CVE-2026-16453/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-16453/</guid><description>CVSS 7.1 (High). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:08:48 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-19600: Mattermost logs plaintext authentication tokens in debug-level server logs on failed auth attempts</title><link>https://agentprime.io/advisories/CVE-2026-19600/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-19600/</guid><description>CVSS 4.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:07:17 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-19621: Mattermost leaks interactive-message integration secrets to non-admin users via post-deletion events and thread reads</title><link>https://agentprime.io/advisories/CVE-2026-19621/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-19621/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:06:00 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-19603: Private channel ID disclosure via user status endpoints</title><link>https://agentprime.io/advisories/CVE-2026-19603/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-19603/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:02:38 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-18795: Missing server side validation allowed user to quarantine a DM and GM post</title><link>https://agentprime.io/advisories/CVE-2026-18795/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-18795/</guid><description>CVSS 6.4 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:01:22 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-19867: Uncapped mention keys in user notification properties allow CPU exhaustion during post processing</title><link>https://agentprime.io/advisories/CVE-2026-19867/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-19867/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 07:00:12 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-19601: Disclosure of AD/LDAP bind password via Test Connection</title><link>https://agentprime.io/advisories/CVE-2026-19601/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-19601/</guid><description>CVSS 4.9 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 06:58:33 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-18551: Mattermost guest account privilege escalation via member roles API</title><link>https://agentprime.io/advisories/CVE-2026-18551/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-18551/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 06:56:51 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-19541: Outgoing OAuth connection client secret exposure during connection validation</title><link>https://agentprime.io/advisories/CVE-2026-19541/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-19541/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 16 Oct 2026 06:54:57 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-96260: Mattermost server missing request body size limit on plugin routes allows denial of service by an authenticated user</title><link>https://agentprime.io/advisories/CVE-2026-96260/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-96260/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Tue, 22 Sep 2026 20:34:49 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-96259: Mattermost server-side request forgery via OAuth endpoints configurable by a System Administrator</title><link>https://agentprime.io/advisories/CVE-2026-96259/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-96259/</guid><description>CVSS 5.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Tue, 22 Sep 2026 20:34:20 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-95666: Unbounded post ID array in the bulk reactions endpoint allows denial of service</title><link>https://agentprime.io/advisories/CVE-2026-95666/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-95666/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Tue, 22 Sep 2026 13:11:13 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-12284: Mattermost Desktop App Missing IPC Sender Validation in Calls Leave Handler</title><link>https://agentprime.io/advisories/CVE-2026-12284/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-12284/</guid><description>CVSS 3.8 (Low). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Thu, 17 Sep 2026 15:11:52 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-75588: Mattermost Desktop App plugin popout scheme validation bypass</title><link>https://agentprime.io/advisories/CVE-2026-75588/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-75588/</guid><description>CVSS 2.6 (Low). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Thu, 17 Sep 2026 15:09:40 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-75025: Mattermost Desktop local network access from server-rendered content</title><link>https://agentprime.io/advisories/CVE-2026-75025/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-75025/</guid><description>CVSS 4.7 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Wed, 16 Sep 2026 18:27:02 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-91181: Data Retention Teams Endpoint Leaks Private Team Invite ID</title><link>https://agentprime.io/advisories/CVE-2026-91181/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-91181/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 21:21:47 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-12985: Mattermost DCR redirect URI allowlist bypass via improper URL component validation</title><link>https://agentprime.io/advisories/CVE-2026-12985/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-12985/</guid><description>CVSS 6.8 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 14:09:53 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-82920: Mattermost ABAC parent policy bypass via policy update endpoint</title><link>https://agentprime.io/advisories/CVE-2026-82920/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-82920/</guid><description>CVSS 5.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 13:59:01 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-86348: MS Calendar plugin: unrecovered handler panics from malformed post-action requests could crash the plugin process</title><link>https://agentprime.io/advisories/CVE-2026-86348/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-86348/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 13:52:24 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-86349: Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting</title><link>https://agentprime.io/advisories/CVE-2026-86349/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-86349/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 13:51:30 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-10556: Unauthenticated webhook request with null notification entry could crash the Microsoft Calendar plugin.</title><link>https://agentprime.io/advisories/CVE-2026-10556/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-10556/</guid><description>CVSS 5.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:46:01 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-13417: Boards plugin denial of service via unvalidated block fields.properties</title><link>https://agentprime.io/advisories/CVE-2026-13417/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-13417/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:44:59 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-9812: Missing property field ownership validation in Playbooks run property update endpoint</title><link>https://agentprime.io/advisories/CVE-2026-9812/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-9812/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:43:45 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-8821: Playbooks run owner channel membership permission bypass</title><link>https://agentprime.io/advisories/CVE-2026-8821/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-8821/</guid><description>CVSS 7.1 (High). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:42:42 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-5132: Unbounded zlib decompression in Calls SDP WebSocket messages</title><link>https://agentprime.io/advisories/CVE-2026-5132/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-5132/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:41:42 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-15814: Uploading a crafted image causes excessive memory allocation in the Mattermost Server</title><link>https://agentprime.io/advisories/CVE-2026-15814/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-15814/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:39:45 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-10542: Playbooks channel action update validation issue</title><link>https://agentprime.io/advisories/CVE-2026-10542/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-10542/</guid><description>CVSS 5.0 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:37:32 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-14344: Inconsistent authorization checks in Mattermost Boards endpoints</title><link>https://agentprime.io/advisories/CVE-2026-14344/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-14344/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:33:54 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-12882: Mattermost Markdown autolink parsing denial of service</title><link>https://agentprime.io/advisories/CVE-2026-12882/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-12882/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:30:39 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-11993: Fix authenticated members disabling file content indexing server-wide via extraction pool exhaustion</title><link>https://agentprime.io/advisories/CVE-2026-11993/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-11993/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:29:19 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-14259: Board archive import bypasses team board creation permissions</title><link>https://agentprime.io/advisories/CVE-2026-14259/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-14259/</guid><description>CVSS 4.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 14 Sep 2026 10:26:41 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-75587: Plaintext pre-auth secret exposure via Desktop App diagnostics report</title><link>https://agentprime.io/advisories/CVE-2026-75587/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-75587/</guid><description>CVSS 3.6 (Low). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 17 Aug 2026 22:09:49 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-9693: Mattermost thread memberships persist after team removal, exposing private channel thread metadata on re-invite</title><link>https://agentprime.io/advisories/CVE-2026-9693/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-9693/</guid><description>CVSS 3.5 (Low). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 17 Aug 2026 22:07:12 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-9859: Mattermost Boards plugin didn’t enforce role-based authorization on board channel link allowing board editors to expose boards to arbitrary channels</title><link>https://agentprime.io/advisories/CVE-2026-9859/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-9859/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 17 Aug 2026 22:06:26 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-9816: Insufficient server-side validation of board member role fields permits privilege escalation</title><link>https://agentprime.io/advisories/CVE-2026-9816/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-9816/</guid><description>CVSS 8.3 (High). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 17 Aug 2026 22:05:24 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-10080: Boards plugin panics on WebSocket command with non-string field types</title><link>https://agentprime.io/advisories/CVE-2026-10080/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-10080/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 17 Aug 2026 22:04:30 GMT</pubDate><category>CVE</category></item></channel></rss>