CVE-2026-92789
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/Graylog2/graylog2-server
- https://github.com/Graylog2/graylog2-server/blob/abb14d1/graylog2-server/src/main/java/org/graylog2/lookup/adapters/HTTPJSONPathDataAdapter.java#L158-L195
- https://github.com/Graylog2/graylog2-server/issues/26591
- https://www.vulncheck.com/advisories/graylog-through-7.1.4-server-side-request-forgery-via-http-redirect
CWEs
CWE-918
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.