CVE-2025-59359

OS command injection in Chaos Mesh via the cleanTcs mutation

CVSS 9.8 CRITICALEPSS 2.9%CWE-78

The cleanTcs mutation in Chaos Controller Manager is vulnerable to OS command injection. In conjunction with CVE-2025-59358, this allows unauthenticated in-cluster attackers to perform remote code execution across the cluster.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

github.com/chaos-mesh/chaos-mesh

public PoCs found — 1

githubgithub.com/mrk336/Cluster-Chaos-Exploiting-CVE-2025-59359-for-Kubernetes-Takeover★ 1

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://github.com/chaos-mesh/chaos-mesh/pull/4702 https://jfrog.com/blog/chaotic-deputy-critical-vulnerabilities-in-chaos-mesh-lead-to-kubernetes-cluster-takeover