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.

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Fixes

Solution

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Workaround

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History

Fri, 18 Sep 2026 07:30:00 +0000

Type Values Removed Values Added
First Time appeared Graylog2
Graylog2 graylog2-server
Vendors & Products Graylog2
Graylog2 graylog2-server

Thu, 17 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 16 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
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.
Title Graylog through 7.1.4 Server-Side Request Forgery via HTTP Redirect
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-17T19:24:45.903Z

Reserved: 2026-09-16T19:31:53.122Z

Link: CVE-2026-92789

cve-icon Vulnrichment

Updated: 2026-09-17T19:17:00.499Z

cve-icon NVD

Status : Deferred

Published: 2026-09-16T21:17:28.330

Modified: 2026-09-22T20:53:07.383

Link: CVE-2026-92789

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T07:15:04Z

Weaknesses