CVE-2026-33002

EUVD-2026-12845
Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable to DNS rebinding attacks that allow bypassing origin validation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.9%
Affected Products (NVD)
VendorProductVersion
jenkinsjenkins
2.426.3 ≤
𝑥
< 2.541.3
jenkinsjenkins
2.442 ≤
𝑥
< 2.555
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674