CVE-2026-92789 Graylog through 7.1.4 Server-Side Request Forgery via HTTP Redirect
Attackers with specific permissions can exploit redirect handling to force the server to fetch internal resources, bypassing URL allowlists.
- 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-2026-92789?
CVE-2026-92789 is a high-severity server-side request forgery vulnerability in graylog2-server, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Graylog through 7.1.4 validates outbound URLs against an allowlist before making requests but fails to re-validate after following HTTP redirects. Attackers with lookup table or event notification permissions can craft allowlisted endpoints that redirect to internal services, enabling the server to fetch and return internal responses.
Weakness: CWE-918
Which versions are affected by CVE-2026-92789?
How do I fix CVE-2026-92789?
No fix has been published for CVE-2026-92789 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-2026-92789 being exploited?
There is no known exploitation of CVE-2026-92789 in the wild and no public exploit code.
Sources
Also known as GHSA-pgwr-3c66-c473.