CVE-2026-33002

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionREQUIRED

Published3/18/2026

Last Modified3/21/2026

Sourcenvd

Honeypot Sightings0

Affected Products

jenkins:jenkins

Weaknesses (CWE)

CWE-350

References

https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674(jenkinsci-cert@googlegroups.com)

IOC Correlations

No correlations recorded

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