> CVE-2026-62666 [HIGH]

« BACK_TO_HOME
PUBLISHED
2026-08-19 16:18
MODIFIED
2026-08-19 16:18
CVSS_SCORE V3
8.8
EPSS (Prob. Exploit)
0.64%
Top 50.1%
DATA SOURCES:
NVD 🔗 2026-08-19 CWE MITRE 🔗 2026-09-01 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-08-26

> DESCRIPTION

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.6, Grav API plugin UsersController::createApiKey(), generate2fa(), and disable2fa() omit the accessGrantsSuper() target check used by sibling user mutation endpoints. A non-super account with api.users.write can mint an API key bound to an access.api.super target through requireApiKeyPermission(), obtain the target's full privileges because key scopes are not enforced, and create persistent super-administrator access; the same missing check also permits rotating or disabling the target's two-factor authentication. This issue is fixed in version 1.0.6.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EXPLOITABILITY
2.8
IMPACT
5.9

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-639 CWE-862

> CWE DETAILED DESCRIPTIONS

CWE-639: Authorization Bypass Through User-Controlled Key - The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. | CWE-862: Missing Authorization - The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Grav API Plugin: non-super api.users.write manager -> super-admin via createApiKey (incomplete fix of CVE-2026-59190); + 2FA strip of super

AFFECTED PACKAGES:
Unknown / Unknown
39 versions affected
ALIASES:
CVE-2026-62233, GHSA-8gg4-rvvv-cq96

> HISTORIQUE DES MODIFICATIONS

Première apparition
19/08/2026 16:18
Source: NVD
📊 ENRICHISSEMENT 01/09/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-639: Authorization Bypass Through User-Controlled Key - The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key...
Total des modifications: 1 Dernière mise à jour: 1 month ago

> REFERENCES

https://github.com/getgrav/grav-plugin-api/commit/dfcc947f0d6758772caac290c68fe8...
https://github.com/getgrav/grav-plugin-api/releases/tag/1.0.6
https://github.com/getgrav/grav/security/advisories/GHSA-8gg4-rvvv-cq96
« BACK_TO_HOME