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Advisory record · GHSA-mjqf-28ph-426h

Logging operator has Fluentd configuration injection that allows remote code execution

CVSS 9.9 CriticalCriticalEPSS 0.0078 · 56th percentile

Critical, because:

  • CVSS score 9.9: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 29 Jul 2026, 17:01 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/kube-logging/logging-operatorGo<0.0.0-20260608145523-cf437d7f1e050.0.0-20260608145523-cf437d7f1e05
Identifiers
GHSA-mjqf-28ph-426h · CVE-2026-54680 · GO-2026-6142
Weakness (CWE)
CWE-74 · CWE-77
Tags
Published
29 Jul 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Logging operator (Go module github.com/kube-logging/logging-operator) is vulnerable before version 0.0.0-20260608145523-cf437d7f1e05, and that same version is listed as the fix. A user who can create Flow resources can inject Fluentd configuration through record_transformer.records because values are written into fluent.conf without escaping, which can add a block using the exec plugin and run arbitrary commands in the Fluentd aggregator. Upgrade to 0.0.0-20260608145523-cf437d7f1e05 or later; no workaround is listed.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.9 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0078, the 56th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:14 UTC First seen by agentprime
  2. 31 Oct 2026, 14:14 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.