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CVE-2026-22812

Good to know:

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Date: January 12, 2026

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.

Severity Score

Related Resources (5)

https://github.com/anomalyco/opencode
https://github.com/anomalyco/opencode/commit/7d2d87fa2c44e32314015980bb4e59a9386e858c
https://nvd.nist.gov/vuln/detail/CVE-2026-22812
https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh
https://www.mend.io/vulnerability-database/CVE-2026-22812

Severity Score

Weakness Type (CWE)

Exposed Dangerous Method or Function

CWE-749

Missing Authentication for Critical Function

CWE-306

Permissive Cross-domain Security Policy with Untrusted Domains

CWE-942

Top Fix

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Upgrade Version

Upgrade to version opencode-ai - 1.0.216;opencode-ai - 1.0.216;https://github.com/anomalyco/opencode.git - v1.0.216

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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