High severity8.8NVD Advisory· Published Jul 23, 2026· Updated Aug 28, 2026
CVE-2026-65897
CVE-2026-65897
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.
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Affected products
1- Range: <1.0.10
Patches
Vulnerability mechanics
References
4- github.com/getgrav/grav-plugin-api/commit/f9438d4e71389b1041ac60b69b0b5714ecfa3bddnvd
- github.com/getgrav/grav/commit/345e79e3abf8c15f80e612a09f6643300071324bnvd
- github.com/getgrav/grav/security/advisories/GHSA-m86m-jjcg-gcvvnvd
- www.vulncheck.com/advisories/grav-api-plugin-privilege-escalation-via-invitations-groupsnvd
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