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
cline: cline
References2
- github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2 ExploitMitigationVendor Advisory
- github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2 ExploitMitigationVendor Advisory
Metrics
- CVSS 3.1
-
9.6
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 8 · as of 15 November 2026
- CWE
- CWE-306CWE-1385
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