CVE-2026-44211

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.

CVSS v3 9.6 CRITICAL

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2	Exploit Mitigation Vendor Advisory
https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2	Exploit Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cline:cline:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-01 17:17

Updated : 2026-07-22 07:10

NVD link : CVE-2026-44211

Mitre link : CVE-2026-44211

CVE.ORG link : CVE-2026-44211

JSON object : View

Products Affected

cline

cline

CWE

CWE-306

Missing Authentication for Critical Function

CWE-1385

Missing Origin Validation in WebSockets

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