CVE-2026-86193
Grav API Plugin Authentication Bypass via Group-Inherited Super
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 5, 2026
- Updated
- Sep 8, 2026
- Reserved
- Sep 5, 2026
Description
grav-plugin-api before 1.0.20 fails to validate group-inherited super permissions in user-management guards, allowing non-super user managers to modify super-admin accounts. Attackers with api.access and api.users.write can patch password fields on group-super accounts to gain full administrative control.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
grav-plugin-apigetgrav |
|
References
- GitHub Security Advisory (GHSA-vv8m-jqpm-38x4)vendor-advisory
- VulnCheck Advisory: Grav API Plugin Authentication Bypass via Group-Inherited Superthird-party-advisory
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