Incorrect authorization in Vearch lets users bypass read-only roles
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
Vearch 3.5.2 through 3.5.9 contains an incorrect authorization flaw (CWE-863) in its role permission check, which ignores stored ReadOnly or None privilege levels for listed resources. An authenticated non-root user can upsert and delete documents despite read-only access, or grant their own role WriteRead privileges, which can escalate toward cluster administrator access.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Vearch.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Vendor assessments
Timeline
- 2026-10-11 Threatist record created from CVE-2026-108746
- 2026-10-11 Alias added: GHSA-73v4-h56h-crx9
- 2026-10-12 Priority changed: MEDIUM → LOW
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: LOW → HIGH
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 CVSS score added · Red Hat
References
Sources
- CVE-2026-108746 · CVE Program
- CVE-2026-108746 · NVD
- FIRST EPSS
- GHSA-73v4-h56h-crx9 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-108746 · Red Hat security data · CC BY 4.0
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