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CVE-2026-22812

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.

Scores

8.8
CVSS 8.8 out of 10, high severity.
16.5%
EPSS 16.5% chance of exploitation in the next 30 days.

The facts

Published
12 January 2026
Last changed
17 June 2026
NVD status
Analyzed
Severity
High, CVSS 8.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
Affects
  • anoma opencode
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
16.5% chance of exploitation activity in the next 30 days (percentile 97).

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References