CVE-2026-51031 Server-side request forgery in n/a
A remote attacker can exploit an SSRF vulnerability in the FlareSolverr API to obtain sensitive information.
- 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-2026-51031?
CVE-2026-51031 is a high-severity server-side request forgery vulnerability in n/a, published on 20 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FlareSolverr before version 3.4.7 contains a server-side request forgery (SSRF) vulnerability in the /v1 API endpoint. This allows a remote attacker to obtain sensitive information
Weakness: CWE-918
Which versions are affected by CVE-2026-51031?
How do I fix CVE-2026-51031?
No fix has been published for CVE-2026-51031 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-2026-51031 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-51031 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-9wr5-vmcv-4r9g.