What is the CVSS score of CVE-2025-31726?

CVE-2025-31726 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Stack Hammer are affected by CVE-2025-31726?

CVE-2025-31726 presents moderate security risk, a improper access control vulnerability rated CVSS 5.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-31726?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Stack Hammer CVE-2025-31726

MEDIUM

Improper Access Control (CWE-284)

2025-04-02 jenkinsci-cert@googlegroups.com

Authentication Bypass Jenkins Stack Hammer

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:34 vuln.today

CVE Published

Apr 02, 2025 - 15:16 nvd

MEDIUM 5.5

DescriptionCVE.org

Jenkins Stack Hammer Plugin 1.0.6 and earlier stores Stack Hammer API keys unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Extended Read permission, or access to the Jenkins controller file system.

AnalysisAI

Jenkins Stack Hammer Plugin 1.0.6 and earlier stores Stack Hammer API keys unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Extended Read. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. Jenkins Stack Hammer Plugin 1.0.6 and earlier stores Stack Hammer API keys unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Extended Read permission, or access to the Jenkins controller file system. Affected products include: Jenkins Stack Hammer.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.