> CVE-2026-27198 [HIGH]

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PUBLISHED
2026-02-21 06:17
MODIFIED
2026-02-21 06:17
CVSS_SCORE V3
8.8
EPSS (Prob. Exploit)
0.59%
Top 52.5%
DATA SOURCES:
NVD đź”— 2026-02-21 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-10-25 GITHUB đź”— 2026-11-04 OSV đź”— 2026-07-26

> DESCRIPTION

Formwork is a flat file-based Content Management System (CMS). In versions 2.0.0 through 2.3.3, the application fails to properly enforce role-based authorization during account creation. Although the system validates that the specified role exists, it does not verify whether the current user has sufficient privileges to assign highly privileged roles such as admin. As a result, an authenticated user with the editor role can create a new account with administrative privileges, leading to full administrative access and complete compromise of the CMS. This issue has been fixed in version 2.3.4.

> 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-269

> CWE DETAILED DESCRIPTIONS

CWE-269: Improper Privilege Management - The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

> GITHUB SECURITY ADVISORY

GHSA-34p4-7w83-35g2 HIGH

Formwork Improperly Managed Privileges in User creation

AFFECTED PACKAGES:
COMPOSER / getformwork/formwork
>= 2.0.0, <= 2.3.3
Fixed in: 2.3.4

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Formwork Improperly Manages Privileges During User Creation

AFFECTED PACKAGES:
Unknown / Unknown
15 versions affected
ALIASES:
GHSA-34p4-7w83-35g2

> HISTORIQUE DES MODIFICATIONS

Première apparition
21/02/2026 06:17
Source: NVD
📊 ENRICHISSEMENT 01/03/2026 06:46
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-269: Improper Privilege Management - The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Total des modifications: 1 Dernière mise à jour: 8 months ago

> REFERENCES

https://github.com/getformwork/formwork/commit/19390a0b408e084bdef86f3581e050f3e...
https://github.com/getformwork/formwork/releases/tag/2.3.4
https://github.com/getformwork/formwork/security/advisories/GHSA-34p4-7w83-35g2
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