CVEvulnerability

CVE-2026-33002

7.5 HIGH Published 2026-03-18 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-03-18
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-350

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.

Affected configurations

• jenkins jenkins (>= 2.426.3 < 2.541.3) • jenkins jenkins (>= 2.442 < 2.555)

Related

Weakness · CWE (1)

  • CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action weakness

References