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Fencer Vulns
high 7.5

CVE-2025-59358 json

Denial of Service via Unauthorized Access to Chaos Mesh debugging server

published 2025-09-15 13 mo ago modified 2026-11-08 39 h ago also EUVD-2025-29175 , GHSA-2gg8-85m5-8r2p , GO-2025-3951

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

The Chaos Controller Manager in Chaos Mesh exposes a GraphQL debugging server without authentication to the entire Kubernetes cluster, which provides an API to kill arbitrary processes in any Kubernetes pod, leading to cluster-wide denial of service.

Patch / fix

  • go github.com/chaos-mesh/chaos-mesh 2.7.3
  • chaos-mesh chaos_mesh 2.7.3
  • govulncheck-vulndb SLE Module for Package Hub 15 SP6, openSUSE Leap 15.6 0.0.20250918T182144-150000.1.107.1

suse advisories SUSE-SU-2025:03289-1

  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250917T170349-1.1

opensuse advisories openSUSE-SU-2026:21483-1openSUSE-SU-2025:15564-1

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
13 mo ago

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • jfrog.com https://jfrog.com/blog/chaotic-deputy-critical-vulnerabilities-in-chaos-mesh-lead-to-kubernetes-cluster-takeover referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/chaos-mesh/chaos-mesh
<2.7.3
all versions
2.7.3

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.