CVE-2026-120426
highOpenCSG CSGHub through v2.6.0-ce contains an authorization bypass vulnerability in the unauthenticated file resolve route that allows remote attackers to read…
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/OpenCSGs/csghub-server/blob/v2.6.0-ce/api/middleware/authenticator.go#L... disclosure@vulncheck.com
- https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/internal/handlers/frontend/resolve.go#L1... disclosure@vulncheck.com
- https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/internal/routes/router.go#L302-L303 disclosure@vulncheck.com
- https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/pkg/server/backend/csghubserver/download... disclosure@vulncheck.com
- https://github.com/OpenCSGs/csghub/issues/1586 disclosure@vulncheck.com
- https://github.com/OpenCSGs/csghub/releases/tag/v2.6.0-ce disclosure@vulncheck.com
- https://hackmd.io/@hieund/csghub-private-repo-file-read-idor disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/opencsg-csghub-through-2.6.0-ce-unauthenticated-priva... disclosure@vulncheck.com