CVE-2026-65897

High

Description

Grav API Plugin versions before 1.0.10 fail to validate the groups field in InvitationsController::create(), allowing authenticated api.users.write callers to assign invited accounts to groups that grant api.super permissions. Attackers can create invitation records with elevated group membership, and when accepted, the new account gains full super-admin API access without the inviter holding those permissions.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Grav

PublishedJul 23, 2026

First seenJul 23, 2026

Weakness typeCWE-269Improper privilege management

How to fix

Update

getgrav grav1.0.10 or later

Patches

Vendor advisories

github.com/getgrav/grav/security/advisories/GHSA-m86m-jjcg-gcvv

Affected products

Product	Affected versions	Fixed in
getgrav grav	v < 1.0.10	1.0.10

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