CVE-2025-68925

Jervis has a JWT Algorithm Confusion Vulnerability

Published Jan 13, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-5pq9-5mpr-jj85 Jervis Has a JWT Algorithm Confusion Vulnerability
History
Type Values Removed Values Added
CPEs cpe:2.3:a:samrocketman:jervis:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Samrocketman
Samrocketman jervis
Vendors & Products Samrocketman
Samrocketman jervis
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Jervis has a JWT Algorithm Confusion Vulnerability
Weaknesses CWE-347
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jan 13, 2026, 7:53 PM
Reserved
Dec 24, 2025, 11:40 PM
Status
Analyzed
Published
Jan 13, 2026, 8:16 PM
Modified
Jun 17, 2026, 9:59 AM