Vulnerability DatabaseCVE-2026-92789
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CVE-2026-92789
Published:September 16, 2026
Updated:October 13, 2026
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.
Related Resources (6)
https://github.com/Graylog2/graylog2-server
https://nvd.nist.gov/vuln/detail/CVE-2026-92789
https://www.vulncheck.com/advisories/graylog-through-7.1.4-server-side-request-forgery-via-http-redirect
https://github.com/Graylog2/graylog2-server/issues/26591
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92789.json
https://github.com/Graylog2/graylog2-server/blob/abb14d1/graylog2-server/src/main/java/org/graylog2/lookup/adapters/HTTPJSONPathDataAdapter.java#L158-L195
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
CWE-918
EPSS
Base Score:
0.41