CVE-2026-55867

unknown
Assigned by CNA: github_m
Published 2026-08-28 · Modified 2026-08-28
CVSS v3
CVSS v4 NEW
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
VIR risk

Description

Graylog token revocation endpoint allows authenticated users to delete other users’ access tokens

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

EcosystemPackageVulnerableFixed
java Mavenorg.graylog2:graylog2-server>=6.2.0,<6.3.126.3.12
java Mavenorg.graylog2:graylog2-server>=7.0.0,<7.0.77.0.7
java Mavenorg.graylog2:graylog2-server>=7.1.0,<7.1.27.1.2

References

CWEs

CWE-639

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.