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Status published
Medium
CVE-2025-68925
Jervis has a JWT Algorithm Confusion Vulnerability
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from samrocketman
View All →CVE-2025-68931
Jervis has AES CBC Mode Without Authentication
High
8.7
CVE-2025-68704
Jervis has a Weak Random for Timing Attack Mitigation
High
8.2
CVE-2025-68703
Jervis has a Salt for PBKDF2 derived from password
High
8.7
CVE-2025-68702
Jervis has a SHA-256 Hex String Padding Bug
High
8.7
CVE-2025-68701
Jervis has Deterministic AES IV Derivation from Passphrase
High
8.7
Affected Vendor
samrocketman
View all reports →Affected Software
jervis
Vulnerable Versions:
< 2.2
Timeline
Official Publish:
January 13th, 2026
Last Modified:
January 13th, 2026
Added to House:
July 22nd, 2026