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.
Published: 2026-01-13
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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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

Tue, 20 Jan 2026 17:45:00 +0000

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'}


Wed, 14 Jan 2026 11:15:00 +0000

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

Tue, 13 Jan 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 13 Jan 2026 19:45:00 +0000

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'}


Subscriptions

Samrocketman Jervis
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-01-13T19:53:48.021Z

Reserved: 2025-12-24T23:40:31.796Z

Link: CVE-2025-68925

cve-icon Vulnrichment

Updated: 2026-01-13T19:53:45.136Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-13T20:16:07.830

Modified: 2026-01-20T17:37:26.670

Link: CVE-2025-68925

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-14T11:08:22Z

Weaknesses