CVE-2026-33002

ADVISORY - github

Summary

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.

EPSS Score⁠: 0.00018 (0.045)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-350⁠

Reliance on Reverse DNS Resolution for a Security-Critical Action

ADVISORY - github

CWE-346⁠

Origin Validation Error

CWE-350⁠

Reliance on Reverse DNS Resolution for a Security-Critical Action

ADVISORY - redhat

CWE-346⁠

Origin Validation Error

Impacted images

Advisories

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