ByteOS Network

CVE Vulnerability Details :

CVE-2026-27099

PUBLISHED

More Info Official Page

Assigner-jenkins

Assigner Org ID-39769cd5-e6e2-4dc8-927e-97b3aa056f5b

Published At-18 Feb, 2026 | 14:17

Updated At-18 Feb, 2026 | 14:56

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

Jenkins

Product

Jenkins

Default Status

affected

Versions

Unaffected

From 0 before 2.483 (maven)
From 2.551 before * (maven)
From 2.541.2 before 2.541.* (maven)

References

Hyperlink	Resource
https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669	vendor-advisory

Hyperlink: https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669

Resource:

vendor-advisory

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-79	CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Type: CWE

CWE ID: CWE-79

Description: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Metrics

Version	Base score	Base severity	Vector
3.1	8.0	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Version: 3.1

Base score: 8.0

Base severity: HIGH

Vector:

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

Affected Products

Unaffected

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References