CVE-2026-27099

HIGH

8.0

Description

Jenkins 2.483 through 2.550 (both inclusive), LTS 2.492.1 through 2.541.1 (both inclusive) does not escape the user-provided description of the "Mark temporarily offline" offline cause, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure or Agent/Disconnect permission.

Details CVE

Score CVSS v3.18.0

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurREQUIRED

Publie2/18/2026

Derniere modification2/20/2026

Sourcenvd

Observations honeypot0

Produits affectes

jenkins:jenkins

Faiblesses (CWE)

CWE-79

References

https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669(jenkinsci-cert@googlegroups.com)

Correlations IOC

Aucune correlation enregistree

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