CVE-2026-27099_CVE-2026-27099

8 / 10

HIGH

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

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.

Basic Information

ID CVE-2026-27099

Source jenkins

Published Feb 18, 2026 at 14:17

Modified Feb 18, 2026 at 14:56

Affected Product

Vendor Jenkins Project

Product Jenkins

CWE Classification

CWE-79

References

www.jenkins.io /security/advisory/2026-02-18/

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    "published": "2026-02-18T14:17:43.911Z",
    "modified": "2026-02-18T14:56:27.973Z",
    "type": "cve",
    "title": "CVE-2026-27099",
    "source": "jenkins",
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    "id": "CVE-2026-27099",
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    "product": "Jenkins",
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