What’s Vulnerable › Vulnerabilities

CVE-2026-92789: Graylog through 7.1.4 Server-Side Request Forgery via HTTP Redirect

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-09-22
• Weakness: CWE-918

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.

Affected products

• graylog2-server: through 7.1.4

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

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