<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>agentprime: bookstack</title><description>Every new CVE for bookstack.</description><link>https://agentprime.io/</link><item><title>CVE-2026-116020: BookStack before 26.09.2 Incorrect Authorization via AttachmentController on Draft Pages</title><link>https://agentprime.io/advisories/CVE-2026-116020/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-116020/</guid><description>CVSS 5.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Sat, 24 Oct 2026 11:40:36 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-89022: BookStack &lt; 26.05.5 Authentication Bypass via Social Login Provider Confusion</title><link>https://agentprime.io/advisories/CVE-2026-89022/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-89022/</guid><description>CVSS 9.1 (Critical). Critical: CVSS score 9.1: 9.0 or more. Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Tue, 15 Sep 2026 16:11:56 GMT</pubDate><category>CVE</category><category>critical</category></item><item><title>CVE-2026-86285: BookStack Attachment Edit Endpoint AttachmentController.php getUpdateForm access control</title><link>https://agentprime.io/advisories/CVE-2026-86285/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-86285/</guid><description>CVSS 5.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 07 Sep 2026 08:15:18 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-84695: BookStack before 26.05.4 Stored XSS via Drawing Upload</title><link>https://agentprime.io/advisories/CVE-2026-84695/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-84695/</guid><description>CVSS 9.3 (Critical). Critical: CVSS score 9.3: 9.0 or more. Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Wed, 02 Sep 2026 00:37:51 GMT</pubDate><category>CVE</category><category>critical</category></item><item><title>CVE-2026-82450: BookStack before 26.05.4 Remote Code Execution via Book Cover</title><link>https://agentprime.io/advisories/CVE-2026-82450/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-82450/</guid><description>CVSS 8.7 (High). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Sat, 29 Aug 2026 13:47:53 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-67204: BookStack &lt; 26.05.4 Broken Access Control via Image Gallery API</title><link>https://agentprime.io/advisories/CVE-2026-67204/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-67204/</guid><description>CVSS 5.3 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 24 Aug 2026 15:33:13 GMT</pubDate><category>CVE</category></item><item><title>CVE-2026-5484: BookStackApp BookStack Chapter Export ExportFormatter.php chapterToMarkdown access control</title><link>https://agentprime.io/advisories/CVE-2026-5484/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2026-5484/</guid><description>CVSS 6.9 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Fri, 03 Apr 2026 19:45:12 GMT</pubDate><category>CVE</category></item><item><title>CVE-2023-6199: Book Stack v23.10.2 - LFR via Blind SSRF</title><link>https://agentprime.io/advisories/CVE-2023-6199/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2023-6199/</guid><description>CVSS 6.5 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 20 Nov 2023 22:21:04 GMT</pubDate><category>CVE</category></item><item><title>CVE-2022-40690: Cross-site scripting in BookStack</title><link>https://agentprime.io/advisories/CVE-2022-40690/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2022-40690/</guid><description>CVSS 5.4 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Mon, 24 Oct 2022 00:00:00 GMT</pubDate><category>CVE</category></item><item><title>CVE-2020-26260: Server Side Request Forgery in BookStack</title><link>https://agentprime.io/advisories/CVE-2020-26260/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2020-26260/</guid><description>CVSS 6.4 (Medium). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Wed, 09 Dec 2020 16:20:14 GMT</pubDate><category>CVE</category></item><item><title>CVE-2020-26210: Cross-Site Scripting in BookStack</title><link>https://agentprime.io/advisories/CVE-2020-26210/</link><guid isPermaLink="true">https://agentprime.io/advisories/CVE-2020-26210/</guid><description>CVSS 7.7 (High). Published by the CVE Program. Not analysed by agentprime yet.</description><pubDate>Tue, 03 Nov 2020 18:20:15 GMT</pubDate><category>CVE</category></item></channel></rss>