CVE-2026-92789
Graylog through 7.1.4 Server-Side Request Forgery via HTTP Redirect
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | graylog2 |
| Product | graylog2-server |
| Published | Sep 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Graylog2 / graylog2-server
0 ≤ 7.1.4
References
github.com: https://github.com/Graylog2/graylog2-server/issues/26591 github.com: https://github.com/Graylog2/graylog2-server github.com: https://github.com/Graylog2/graylog2-server/blob/abb14d1/graylog2-server/src/main/java/org/graylog2/lookup/adapters/HTTPJSONPathDataAdapter.java#L158-L195 vulncheck.com: https://www.vulncheck.com/advisories/graylog-through-7.1.4-server-side-request-forgery-via-http-redirect
Credits
George Chen