CVE-2026-27099

J

enkins 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.

Configurations

Configuration 1 (hide)

OR cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*

History

20 Feb 2026, 20:52

Type Values Removed Values Added
First Time Jenkins jenkins
Jenkins
Summary
  • (es) Jenkins 2.483 a 2.550 (ambos inclusive), LTS 2.492.1 a 2.541.1 (ambos inclusive) no escapa la descripción proporcionada por el usuario de la causa de desconexión 'Marcar temporalmente sin conexión', lo que resulta en una vulnerabilidad de cross-site scripting (XSS) almacenado explotable por atacantes con permiso de Agente/Configurar o Agente/Desconectar.
CPE cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
References () https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669 - () https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669 - Vendor Advisory

18 Feb 2026, 16:22

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 8.0
CWE CWE-79

18 Feb 2026, 15:18

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-18 15:18

Updated : 2026-02-20 20:52


NVD link : CVE-2026-27099

Mitre link : CVE-2026-27099

CVE.ORG link : CVE-2026-27099


JSON object : View

Products Affected
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')