Vulnerability · Published Sep 4, 2026 · Assigned by apache

CVE-2026-80181Apache Allura: Server-side request forgery

Critical 9.1

In plain English

A critical-severity server-side request forgery in Apache Allura from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 60.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 (as reported)

VendorProductVersions
Apache Software Foundation Apache Allura 0 – through 1.20.0

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References