PoC Index

CVE-2026-44211

CRITICAL 9.6EPSS 0.2%

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 v3.1
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v3.1
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
0.18% chance of exploitation in the next 30 days, 8th percentile
Published
2026-06-01
Updated
2026-06-04

Proof-of-concept exploits (1)

References

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