Jenkins User1st uTester Plugin 1.1 and earlier stores the uTester JWT token unencrypted…
Priority LOW 28CWE-311Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-311.
Summary
Jenkins User1st uTester Plugin 1.1 and earlier stores the uTester JWT token unencrypted in its global configuration file on the Jenkins controller, where it can be viewed by users with access to the Jenkins controller file system.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00236 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Jenkins | Jenkins User1st uTester Plugin | up to 1.1 | — | No fix listed | CNA |
| — | io.jenkins.plugins:user1st-utester (Maven) | up to 1.1 | — | No fix listed | GHSA-w4xv-mj6v-p4g2 |
- Jenkins User1st uTester Plugin VendorJenkins Affected up to 1.1 Fixed in — No fix listed CNA
- io.jenkins.plugins:user1st-utester (Maven) Vendor— Affected up to 1.1 Fixed in — No fix listed GHSA-w4xv-mj6v-p4g2
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-53678
- 2026-10-03 Alias added: GHSA-w4xv-mj6v-p4g2
References
Sources
- CVE-2025-53678 · CVE Program
- CVE-2025-53678 · NVD
- FIRST EPSS
- GHSA-w4xv-mj6v-p4g2 · GitHub Advisory Database · CC BY 4.0
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