CVE-2026-86193
High · CVSS 8.7Published 2026-09-05
CVSS
8.7
High
EPSS
—
exploit probability
Active Exploit
No
not yet listed
What is CVE-2026-86193?
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.
CVSS Score Explained
CVSS 8.7 is High severity. Exploitation is likely straightforward and the impact is significant — data loss, privilege escalation, or remote code execution are common outcomes. Patch as soon as possible.
EPSS Exploitation Probability
No EPSS score yet — model needs more data on this CVE.
References & Patches
- ›https://github.com/getgrav/grav/security/advisories/GHSA-vv8m-jqpm-38x4
- ›https://www.vulncheck.com/advisories/grav-api-plugin-authentication-bypass-via-group-inherited-super
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This issue was fixed in versions: 6.49.21 (Long-term), 7.23.4 (Long-term) and 7.24.2 (Stable)8.8