CVE-2026-27099

Name
CVE-2026-27099
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.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
jenkinsci-cert@googlegroups.com https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3669

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* jenkins >= 2.483 < 2.551
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* jenkins >= 2.492.1 < 2.541.2

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
jenkins edge-community 2.541.3-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.541.2-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.541.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.528.3-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.516.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins 3.23-community 2.541.2-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins 3.23-community 2.516.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable