CVE-2026-65011: Graylog2 graylog2-server

Graylog2 Server Missing Permission Check on Event Definition Duplicate

CVSS 5.3 MediumEPSS 0.0038 · 32nd percentile

Published by the CVE Program (CNA: VulnCheck) at 22 Jul 2026, 16:13 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Graylog2	graylog2-server pkg:maven/org.graylog/graylog-parent	affected 7.1.5 and earlier semver affected 7.0.10 and earlier semver unaffected 46a2eeba4cdbc1408ff4cbf7b466853a8acfb38d git Other versions: unaffected

Identifiers

CVE-2026-65011

CNA

VulnCheck

Weakness (CWE)

CWE-862

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
4.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0038, the 32nd percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Jul 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/Graylog2/graylog2-server/issues/26590 issue-trackingtechnical-description
github.com/Graylog2/graylog2-server/pull/26706 issue-trackingpatch
github.com/Graylog2/graylog2-server/commit/46a2eeba4cdbc1408ff4cbf7b466853a8acfb38d patch
github.com/Graylog2/graylog2-server/pull/26718 issue-trackingpatch
github.com/Graylog2/graylog2-server/pull/26719 issue-trackingpatch
www.vulncheck.com/advisories/graylog2-server-missing-permission-check-on-event-definition-duplicate third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.