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CVE-2026-91081

Docs through 5.6.1 SSRF via Unauthenticated cors-proxy Endpoint

CVSS 4.0 6.9 MEDIUMCVSS 3.1 5.8 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-91081

Published

Docs through 5.6.1 contains a server-side request forgery vulnerability in the cors-proxy endpoint that allows anonymous attackers to make outbound requests by providing a public document UUID. Attackers can exploit DNS time-of-check-time-of-use race conditions and shared address space bypasses to access internal network resources and exfiltrate image content.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91081

Published

docs

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "suitenumerique",
                    "product": "docs",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "5.6.1",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "repo": "https://github.com/suitenumerique/docs"
                }

Original source record · Cite this exact observation · Complete original publisher JSON