CVE-2026-33002 — Jenkins Project / Jenkins

Description (CNA)

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 (CNA)

Vendor / product	Versions
Jenkins Project / Jenkins	unaffected 0 before 2.426.3; unaffected 2.427 before 2.442; unaffected 2.555 before ; unaffected 2.541.3 before 2.541.

CWE

No CWE identifiers supplied.

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.