CVE-2026-27099

medium Red Hat
CVSS v3 Base Score
4.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS Score
0.0%
Exploitation probability in 30 days
Top 87% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Published: February 18, 2026 (85 days ago)
Last Modified: February 18, 2026
Vendor: Red Hat

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.

CWE

CWE-79

Affected Products

OpenShift Developer Tools and Services

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 www.jenkins.io