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. 21, 2026, 3:14 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
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.
Public PoC/Exploit Available at Github
CVE-2026-22812 has a 16 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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 | Vendor Advisory Exploit |
| https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh | Vendor Advisory Exploit |
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).
Mirror of https://github.com/nomi-sec/PoC-in-GitHub
None
Python
OpenCode < v1.0.216 - Unauthenticated RCE
Python
Security-hardened fork of OpenCode - Fixes CVE-2026-22812 (CVSS 8.8 RCE) that upstream refuses to patch
Shell TypeScript Nix HTML JavaScript CSS Rust MDX Dockerfile Astro
CVE-2026-22812 - OpenCode Unauthenticated RCE-Nuclei template for scan
CVE-2026-22812
Python
None
Python
CVE-2026-22812 - OpenCode Unauth RCE
Python
Your Vibe Coding Toolkit A cross-platform desktop application for managing development tools, AI coding assistants, and dependencies
assistants developer-tools toolkit toolkits vibe-coding assistants-ai
HTML TypeScript CSS Rust
这是一个每天同步Vulnerability-Wiki中docs-base中内容的项目
HTML
Config files for my GitHub profile.
config github-config
None
一个 CVE 漏洞预警知识库，无 exp/poc，部分包含修复方案。A knowledge base of CVE security vulnerability, no PoCs/exploits.
TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things
bugbounty cve exp exploit payload poc rce vulnerability
Shell
一个漏洞 PoC 知识库。A knowledge base for vulnerability PoCs(Proof of Concept), with 1k+ vulnerabilities.
poc
Dockerfile Java Python
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.
-
Daily CyberSecurity
Critical OpenCode Flaws Let Websites Hijack Your PC
Two vulnerabilities were found in the open-source OpenCode agent that let attackers write malicious code directly onto your machine. Security researchers have disclosed two high-severity flaws that tu ... Read more
-
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.
-
Initial Analysis by [email protected]
Jan. 21, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:anoma:opencode:*:*:*:*:*:-:*:* versions up to (excluding) 1.0.216 Added Reference Type CISA-ADP: https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh Types: Exploit, Vendor Advisory Added Reference Type GitHub, Inc.: https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh Types: Exploit, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 13, 2026
Action Type Old Value New Value Added Reference https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh -
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