CVE-2026-72597 Friendica Friendica - Server-Side Request Forgery
Authenticated users can exploit a link-preview endpoint to perform server-side request forgery, enabling internal network scanning and access to cloud metadata services.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-72597?
CVE-2026-72597 is a medium-severity server-side request forgery vulnerability in Friendica, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A server-side request forgery vulnerability in Friendica through the 2026.08-dev branch allows authenticated users with a free self-registered account to probe internal network services via the link-preview endpoint. The endpoint fetches any user-supplied URL without applying an internal IP deny list. An attacker can use this to scan the internal network or access cloud metadata services.
Weakness: CWE-918
Which versions are affected by CVE-2026-72597?
How do I fix CVE-2026-72597?
No fix has been published for CVE-2026-72597 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-2026-72597 being exploited?
There is no known exploitation of CVE-2026-72597 in the wild and no public exploit code.
Sources
Also known as GHSA-mhpc-8ghx-95cq.