EUVD-2026-81052
GHSA-pgwr-3c66-c473
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable, low-complexity SSRF requiring an authenticated account with lookup/notification permissions (PR:L); confidentiality-only internal-response disclosure so C:H, I:N/A:N, scope unchanged.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Server-side request forgery (SSRF) in Graylog through version 7.1.4 allows an authenticated user who holds lookup table or event notification permissions to coerce the Graylog server into fetching internal services. The flaw occurs because Graylog validates outbound URLs against an allowlist only before the initial request and does not re-validate the destination after an HTTP redirect; an attacker can supply an allowlisted endpoint that redirects to an internal address, and the server returns the internal response. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated Graylog account that holds lookup table or event notification permissions - these features are the injection point for the attacker-controlled outbound URL. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but moderate-priority SSRF (CWE-918) in Graylog through 7.1.4. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch was identified at time of analysis for CVE-2026-92789; consult the Graylog GitHub issue and VulnCheck advisory for updates. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit Graylog through 7.1.4 for users holding lookup table or event notification permissions and remove or tightly restrict those permissions to only trusted administrators; block outbound traffic from Graylog servers to RFC1918, loopback, link-local, and cloud metadata endpoints, and enable logging for anomalous outbound requests. …
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External POC / Exploit Code
Leaving vuln.today