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.
Scores
CVSS v3
5.3
EPSS
0.0002
EPSS Percentile
5.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-347
Status
published
Products (2)
net.gleske/jervis
0 - 2.2Maven
samrocketman/jervis
< 2.2
Published
Jan 13, 2026
Tracked Since
Feb 18, 2026