> CVE-2026-44211 [CRITICAL]

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PUBLISHED
2026-06-01 17:17
MODIFIED
2026-06-01 17:17
CVSS_SCORE V3
9.6
EPSS (Prob. Exploit)
0.18%
Top 92.4%
DATA SOURCES:
NVD 🔗 2026-06-01 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 GITHUB 🔗 2026-11-05 OSV 🔗 2026-11-02

> DESCRIPTION

Cline is an autonomous coding agent as an SDK, IDE extension, or CLI assistant. In versions 2.13.0 and prior, there is a cross-origin WebSocket hijack vulnerability in Cline Kanban servers. At time of publication, there are no publicly available patches.

> 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:N/UI:R/S:C/C:H/I:H/A:H
EXPLOITABILITY
2.8
IMPACT
6.0

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
Required (R)
Nécessite une action utilisateur (clic lien, ouverture fichier, etc.)
S (Périmètre)
Scope
Changed (C)
Impact s'étend au-delà 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-306 CWE-1385

> CWE DETAILED DESCRIPTIONS

CWE-306: Missing Authentication for Critical Functionality - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. | CWE-1385: Missing Origin Validation in WebSockets - The product uses a WebSocket, but it does not properly verify that the source of data or communication is valid.

> GITHUB SECURITY ADVISORY

GHSA-5c57-rqjx-35g2 CRITICAL

Cline Kanban Server has a Cross-Origin WebSocket Hijacking Vulnerability

AFFECTED PACKAGES:
NPM / cline
<= 2.13.0

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Cline Kanban Server has a Cross-Origin WebSocket Hijacking Vulnerability

AFFECTED PACKAGES:
Unknown / Unknown
269 versions affected
ALIASES:
GHSA-5c57-rqjx-35g2

> HISTORIQUE DES MODIFICATIONS

Première apparition
01/06/2026 17:17
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-306: Missing Authentication for Critical Function - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of res...
Nouvelle valeur:
CWE-306: Missing Authentication for Critical Functionality - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount o...
📊 ENRICHISSEMENT 01/07/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-306: Missing Authentication for Critical Function - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of res...
Total des modifications: 2 Dernière mise à jour: 6 days ago

> REFERENCES

https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2
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