CVE-2026-33002

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-350

Affected software

Vendor	Product	Versions
Jenkins Project	Jenkins	—

References

https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674Vendor Advisory

Timeline

Published: Mar 18, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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