Details
- Type
- Authorization Bypass
- Impact
- Information Disclosure, File System Read
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Published
- 2 November 2026
- Updated
- 3 November 2026
- Weakness
- CWE-639
Vendor fix
Update to the latest version beyond 2.6.0-ce.
Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-120426
- https://www.vulncheck.com/advisories/opencsg-csghub-through-2.6.0-ce-unauthenticated-private-repository-file-read-via-resolve-route
- https://github.com/OpenCSGs/csghub-server/blob/v2.6.0-ce/api/middleware/authenticator.go#L210-L226
- https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/internal/handlers/frontend/resolve.go#L138-L151
- https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/internal/routes/router.go#L302-L303
- https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/pkg/server/backend/csghubserver/download.go#L10-L41
- https://github.com/OpenCSGs/csghub/issues/1586
- https://github.com/OpenCSGs/csghub/releases/tag/v2.6.0-ce
- https://hackmd.io/@hieund/csghub-private-repo-file-read-idor