VULNERABILITY INTELLIGENCE

CVE-2026-33002

CVSS score7.5 HIGH
EPSS probability0.28%
CISA KEVNot currently listed
Published2026-03-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-350

Primary references