CVE-2026-22812
OpenCode's Unauthenticated HTTP Server Allows Arbitrary Command Execution
Description
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.
INFO
Published Date :
Jan. 12, 2026, 11:15 p.m.
Last Modified :
Jan. 12, 2026, 11:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-22812
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update OpenCode to version 1.0.216.
- Ensure the HTTP server is properly authenticated.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-22812.
| URL | Resource |
|---|---|
| https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-22812 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-22812
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-22812 vulnerability anywhere in the article.
-
security.nl
Lek in OpenCode laat websites willekeurige code op systeem gebruikers uitvoeren
Een kwetsbaarheid in AI coding agent OpenCode zorgt ervoor dat websites willekeurige code op het systeem van gebruikers kunnen uitvoeren, zonder dat hiervoor enige interactie is vereist. De ontwikkela ... Read more
The following table lists the changes that have been made to the
CVE-2026-22812 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jan. 12, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-749 Added CWE CWE-306 Added CWE CWE-942 Added Reference https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh