CVE-2026-80181: Apache Software Foundation Apache Allura

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Apache Allura's webhooks are vulnerable to Server-Side Request Forgery (SSRF). This issue affects Apache Allura: through 1.20.0. Users are recommended to upgrade to version 1.21.0, which fixes the issue.

Affected products

• Apache Software Foundation Apache Allura: up to and including 1.20.0

Published 2026-09-04. Last modified 2026-09-08.