What’s Vulnerable › Vulnerabilities

CVE-2026-108746: Vearch 3.5.2 through 3.5.9 Incorrect Authorization via Role.HasPermissionForResources

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-11 · updated 2026-10-16
• Weakness: CWE-863

Description

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.

Affected products

• vearch: from 3.5.2 through 3.5.9

References

• https://github.com/vearch/vearch
• 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://hackmd.io/@haind/vearch-rbac-privilege-level-ignored-authz-bypass
• https://www.vulncheck.com/advisories/vearch-3.5.2-through-3.5.9-incorrect-authorization-via-role-haspermissionforresources
• https://hackmd.io/@haind/vearch-rbac-privilege-level-ignored-authz-bypass

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