CVE-2026-80181 Apache Allura: Server-side request forgery
Attackers can exploit webhooks in Apache Allura to perform server-side request forgery, potentially accessing internal resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80181?
CVE-2026-80181 is a critical server-side request forgery vulnerability in Apache Allura, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-918
Which versions are affected by CVE-2026-80181?
How do I fix CVE-2026-80181?
No fix has been published for CVE-2026-80181 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-80181 being exploited?
There is no known exploitation of CVE-2026-80181 in the wild and no public exploit code.
Sources
Also known as GHSA-56gv-mfrw-xf8j.