{"id":"CVE-2026-86259","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-86259","summary":"OpenMAIC before 1.0.1 skips server-side request forgery validation in non-production builds, allowing unauthenticated attackers to reach cloud instance metadata services. Attackers…","details":"OpenMAIC before 1.0.1 skips server-side request forgery validation in non-production builds, allowing unauthenticated attackers to reach cloud instance metadata services. Attackers can supply arbitrary provider URLs via the x-base-url header or baseUrl parameter to access sensitive cloud credentials and metadata.","published":"2026-09-06T13:17:10.963","modified":"2026-09-06T13:17:10.963","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/THU-MAIC/OpenMAIC"},{"type":"WEB","url":"https://github.com/THU-MAIC/OpenMAIC/blob/v1.0.0/app/api/generate/image/route.ts#L73-L78"},{"type":"WEB","url":"https://github.com/THU-MAIC/OpenMAIC/blob/v1.0.0/middleware.ts#L60-L63"},{"type":"WEB","url":"https://github.com/THU-MAIC/OpenMAIC/releases/tag/v1.0.1"},{"type":"WEB","url":"https://github.com/THU-MAIC/OpenMAIC/security/advisories/GHSA-9m7h-vh2h-rc3w"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openmaic-before-1.0.1-ssrf-via-environment-gated-url-validation"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-06T13:17:10.963"}}