CVE-2026-108746 PUBLISHED

Vearch 3.5.2 through 3.5.9 contains an incorrect authorization vulnerability in Role.HasPermissionForResources that ignores stored ReadOnly or None privilege levels for resources listed in a role. Authenticated non-root users can upsert and delete documents with read-only access, or call PUT /roles to grant their role WriteRead privileges, escalating toward cluster administrator access.

• HaiND from the Post and Telecommunication Institute of Technology finder

• https://hackmd.io/@haind/vearch-rbac-privilege-level-ignored-authz-bypass
• https://github.com/vearch/vearch/blob/bae78b189ff0ab1d8ac659c6acaeeb5f630db33f/internal/entity/user.go#L300-L313
• https://github.com/vearch/vearch/blob/bae78b189ff0ab1d8ac659c6acaeeb5f630db33f/internal/master/services/role_service.go#L180-L229
• https://github.com/vearch/vearch
• VulnCheck Advisory: Vearch 3.5.2 through 3.5.9 Incorrect Authorization via Role.HasPermissionForResources

• Incorrect Authorization CWE