CVE-2026-86193

High

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.

SeverityHigh

CVSS8.7

Exploit probability—

ProductGetgrav Grav-plugin-api

PublishedSep 5, 2026

First seenSep 5, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

getgrav grav-plugin-api1.0.20 or later

Vendor advisories

github.com/getgrav/grav/security/advisories/GHSA-vv8m-jqpm-38x4

Affected products

Product	Affected versions	Fixed in
getgrav grav-plugin-api	v < 1.0.20	1.0.20

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