{"id":"CVE-2026-120426","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-120426","summary":"OpenCSG CSGHub through v2.6.0-ce contains an authorization bypass vulnerability in the unauthenticated file resolve route that allows remote attackers to read private repository files.…","details":"OpenCSG CSGHub through v2.6.0-ce contains an authorization bypass vulnerability in the unauthenticated file resolve route that allows remote attackers to read private repository files. Attackers can inject a percent-encoded current_user parameter into the file path, which the portal forwards with its server API key, to read files in private model, code or space repositories.","published":"2026-11-02T15:17:23.583","modified":"2026-11-02T15:17:23.583","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/OpenCSGs/csghub-server/blob/v2.6.0-ce/api/middleware/authenticator.go#L210-L226"},{"type":"WEB","url":"https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/internal/handlers/frontend/resolve.go#L138-L151"},{"type":"WEB","url":"https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/internal/routes/router.go#L302-L303"},{"type":"WEB","url":"https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/pkg/server/backend/csghubserver/download.go#L10-L41"},{"type":"WEB","url":"https://github.com/OpenCSGs/csghub/issues/1586"},{"type":"WEB","url":"https://github.com/OpenCSGs/csghub/releases/tag/v2.6.0-ce"},{"type":"WEB","url":"https://hackmd.io/@hieund/csghub-private-repo-file-read-idor"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/opencsg-csghub-through-2.6.0-ce-unauthenticated-private-repository-file-read-via-resolve-route"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-02T15:17:23.583"}}