CVE-2025-59359: The cleanTcs mutation in Chaos Controller Manager is vulnerable to OS command injection

Q: How do I fix CVE-2025-59359?

chaos mesh: upgrade to 2.7.3. Exact commands for each OS are on this page.

Q: Is CVE-2025-59359 being exploited?

CVE-2025-59359 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-59359 affect?

CVE-2025-59359 affects chaos mesh. Severity is critical (CVSS 9.8). 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.

Q: How urgent is CVE-2025-59359?

Priority 69/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-59359 is a critical-severity flaw (CVSS 9.8) affecting chaos mesh. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Weakness	CWE-78
Published	2025-09-15
Last modified	2026-06-17

Publisher (CNA): JFrog · Vendor: chaos-mesh

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-15 12:15 UTCPublished CVE record published
2026-06-17 09:45 UTCUpdated Record last modified

chaos-mesh chaos mesh UPGRADE

Affected: < 2.7.3

Fixed in: 2.7.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chaos-mesh || rpm -q chaos-mesh || chaos-mesh --version

2. UPGRADE to 2.7.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chaos-mesh

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chaos-mesh

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Go · github.com/chaos-mesh/chaos-mesh · FIXED · 2.7.3 · vulnerable: < 2.7.3 · source

go get github.com/chaos-mesh/chaos-mesh@v2.7.3 go list -m github.com/chaos-mesh/chaos-mesh

Fedora 46 · pipx · FIXED · 1.18.9-1.fc46 · FEDORA-2026-95305954ab · source

sudo dnf upgrade --advisory=FEDORA-2026-95305954ab

Fedora ELN · libisds · FIXED · 0.11.2-19.eln159 · FEDORA-2026-bf61b68668 · source

sudo dnf upgrade --advisory=FEDORA-2026-bf61b68668

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: mrk336/Cluster-Chaos-Exploiting-CVE-2025-59359-for-Kubernetes-Takeover (1 stars)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-59359?

chaos mesh: upgrade to 2.7.3. Exact commands for each OS are on this page.

Is CVE-2025-59359 being exploited?

CVE-2025-59359 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-59359 affect?

CVE-2025-59359 affects chaos mesh. Severity is critical (CVSS 9.8). 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.

How urgent is CVE-2025-59359?

Priority 69/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-59361 CRITICAL 9.8 UPGRADE The cleanIptables mutation in Chaos Controller Manager is vulnerable to OS command injection
CVE-2025-59360 CRITICAL 9.8 UPGRADE The killProcesses mutation in Chaos Controller Manager is vulnerable to OS command injection
CVE-2025-59358 HIGH 7.5 UPGRADE The Chaos Controller Manager in Chaos Mesh exposes a GraphQL debugging server without authentication to the en
CVE-2024-36538 HIGH 8.8 DOWNGRADE Insecure permissions in chaos-mesh v2.6.3 allows attackers to access sensitive data and escalate privileges by

References

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