CVE-2025-53542
CVE-2025-53542 is a high-severity vulnerability with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 7.7)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-21025
- Weakness: CWE-78
- Published:
- Last modified:
Description
Headlamp is an extensible Kubernetes web UI. A command injection vulnerability was discovered in the codeSign.js script used in the macOS packaging workflow of the Kubernetes Headlamp project. This issue arises due to the improper use of Node.js's execSync() function with unsanitized input derived from environment variables, which can be influenced by an attacker. The variables ${teamID}, ${entitlementsPath}, and ${config.app} are dynamically derived from the environment or application config and passed directly to the shell command without proper escaping or argument separation. This exposes the system to command injection if any of the values contain malicious input. This vulnerability is fixed in 0.31.1.
Frequently asked questions
- What is CVE-2025-53542?
- Headlamp is an extensible Kubernetes web UI. A command injection vulnerability was discovered in the codeSign.js script used in the macOS packaging workflow of the Kubernetes Headlamp project. This issue arises due to the improper use of Node.js's execSync() function with unsanitized input derived from environment variables, which can be influenced by an attacker. The variables ${teamID}, ${entitlementsPath}, and ${config.app} are dynamically derived from the environment or application config and passed directly to the shell command without proper escaping or argument separation. This exposes the system to command injection if any of the values contain malicious input. This vulnerability is fixed in 0.31.1.
- How severe is CVE-2025-53542?
- CVE-2025-53542 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-53542 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-53542?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-53542 have an EU (EUVD) identifier?
- Yes. CVE-2025-53542 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21025.
- When was CVE-2025-53542 published?
- CVE-2025-53542 was published on 2025-07-10 and last updated on 2026-06-17.
References
- https://advisory.zerodaysec.org/advisory/kubernetes-headlamp-code-signing
- https://github.com/kubernetes-sigs/headlamp/commit/5bc0a9dd87acdf1e04be14619acde687eefa35fb
- https://github.com/kubernetes-sigs/headlamp/pull/3377
- https://github.com/kubernetes-sigs/headlamp/security/advisories/GHSA-34rf-485x-g5h7
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