CVE-2026-44211

CRITICAL

Cline Kanban Server <=2.13.0 - Cross-Origin WebSocket Hijacking

Title source: manual
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 9.6
EPSS 0.0015
EPSS Percentile 4.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-1385 CWE-306
Status published
Products (3)
cline/cline < 2.13.0
cline/cline <= 2.13.0
npm/cline 0 - 2.13.0npm
Published Jun 01, 2026
Tracked Since Jun 01, 2026