Jervis has a JWT Algorithm Confusion Vulnerability
Priority LOW 35CWE-347Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-347.
Summary
Jervis is a library for Job DSL plugin scripts and shared Jenkins pipeline libraries. Prior to 2.2, the code doesn't validate that the JWT header specifies "alg":"RS256". This vulnerability is fixed in 2.2.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00153 4th percentileScored 2026-11-07
Fix Fixed jervis (samrocketman): 2.2net.gleske:jervis (Maven): 2.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| samrocketman | jervis | before 2.2 | 2.2 | Patch available | CNA |
| — | net.gleske:jervis (Maven) | before 2.2 | 2.2 | Patch available | GHSA-5pq9-5mpr-jj85 |
- jervis Vendorsamrocketman Affected before 2.2 Fixed in 2.2 Patch available CNA
- net.gleske:jervis (Maven) Vendor— Affected before 2.2 Fixed in 2.2 Patch available GHSA-5pq9-5mpr-jj85
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samrocketman:jervis:*:*:*:*:*:*:*:* | before 2.2 | Vulnerable | samrocketman |
- cpe:2.3:a:samrocketman:jervis:*:*:*:*:*:*:*:* Versions before 2.2 Vulnerable ·samrocketman
Remediation
- Fix · CNA jervis (samrocketman) Fixed in 2.2
- Fix · GHSA-5pq9-5mpr-jj85 net.gleske:jervis (Maven) Fixed in 2.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-68925
- 2026-10-03 Alias added: GHSA-5pq9-5mpr-jj85
References
Patch 2
More samrocketman Jervis vulnerabilities
- TI-2025-42387 Jervis has AES CBC Mode Without Authentication CVSS 4.0HIGH 8.7
- TI-2025-42174 Jervis has a Salt for PBKDF2 derived from password CVSS 4.0HIGH 8.7
- TI-2025-42173 Jervis has a SHA-256 Hex String Padding Bug CVSS 4.0HIGH 8.7
- TI-2025-42172 Jervis has Deterministic AES IV Derivation from Passphrase CVSS 4.0HIGH 8.7
- TI-2025-42169 Jervis has an RSA PKCS#1 v1.5 Padding Vulnerability CVSS 4.0HIGH 8.7
- TI-2025-42175 Jervis has a Weak Random for Timing Attack Mitigation CVSS 4.0HIGH 8.2
Sources
- CVE-2025-68925 · CVE Program
- CVE-2025-68925 · NVD
- FIRST EPSS
- GHSA-5pq9-5mpr-jj85 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences