Published 1/12/2026 · updated 6/17/2026 · CWE-306, CWE-749, CWE-942
OpenCode is an open source AI coding agent. Prior to 1.0.216, OpenCode automatically starts an unauthenticated HTTP server that allows any local process (or any website via permissive CORS) to execute arbitrary shell commands with the user's privileges. This vulnerability is fixed in 1.0.216.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Percentile p97 — Higher than 97% of all CVEs — imminent exploitation likely.
Which upstream feeds returned data for this CVE, and when they were last fetched.
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