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NVD Vulnerability Details :
CVE-2026-27099
Awaiting Analysis
More InfoOfficial Page
Source-jenkinsci-cert@googlegroups.com
View Known Exploited Vulnerability (KEV) details
Published At-18 Feb, 2026 | 15:18
Updated At-18 Feb, 2026 | 17:51

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.0HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
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
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-79Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-79
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669jenkinsci-cert@googlegroups.com
N/A
Hyperlink: https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669
Source: jenkinsci-cert@googlegroups.com
Resource: N/A
Change History
0Changes found
Details not found