VULNRABLE / Vulnerability / CVE-2026-55867

CVE-2026-55867

MEDIUM LOW org.graylog2:graylog2-server GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

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

What this means

CVE-2026-55867 is a medium-severity vulnerability affecting org.graylog2:graylog2-server, rated CVSS 5.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published August 29, 2026.

View full advisory at GHSA →