What’s Vulnerable › Vulnerabilities

CVE-2025-59359: OS command injection in Chaos Mesh via the cleanTcs mutation

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-09-15 · updated 2026-06-17
• Weakness: CWE-78

Description

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.

Affected products

• Chaos-Mesh Chaos Mesh: before 2.7.3 — fixed in 2.7.3

How to fix

Upgrade to a fixed version: Chaos-Mesh Chaos Mesh 2.7.3. Check the vendor advisory for mitigations.

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

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