# CVE-2025-59359: OS command injection in Chaos Mesh via the cleanTcs mutation - Exploited (CISA KEV): no - Published: 2025-09-15 - CVSS: 9.8 CRITICAL (v3.1) - EPSS: 3.0% (87th percentile) - CWE: 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. ## Edge WAF coverage (claimed by vendors, not measured) | Vendor | Status | First rule | Days after publication | |---|---|---|---| | Cloudflare | Blocks by default | 2025-10-06 | 21 | | AWS | No public claim | — | — | | Microsoft Azure | No public claim | — | — | | Google Cloud | No public claim | — | — | | Fastly | Before feed history | — | — | | F5 | No public claim | — | — | | Akamai | No public source | — | — | | OWASP CRS | No public claim | — | — | ### Cloudflare - 2025-10-06 · new · rule 5d459ed434ed446c9580c73c2b8c3680 · default Block > Chaos Mesh - Command Injection - CVE:CVE-2025-59359. Previous action: Log. New action: Block. This is a New Detection Source: https://developers.cloudflare.com/changelog/post/2025-10-06-waf-release/ "No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it. HTML: https://cve.vigilbase.com/cve/CVE-2025-59359 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-59359