CVE-2026-22812: OpenCode is an open source AI coding agent

Q: How do I fix CVE-2026-22812?

opencode: upgrade to 1.0.216. Exact commands for each OS are on this page.

Q: Is CVE-2026-22812 being exploited?

CVE-2026-22812 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-22812 affect?

CVE-2026-22812 affects opencode. Severity is high (CVSS 8.8). 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'

Q: How urgent is CVE-2026-22812?

Priority 60/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

This week

HIGH 8.8UPGRADE

CVE-2026-22812 is a high-severity flaw (CVSS 8.8) affecting opencode. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
EPSS top 3%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	16.5% (top 3%)
CISA exploited list	No
Weakness	CWE-306, CWE-749, CWE-942
Published	2026-01-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: anoma

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-12 23:15 UTCPublished CVE record published
2026-06-17 10:20 UTCUpdated Record last modified

anoma opencode UPGRADE

Affected: < 1.0.216

Fixed in: 1.0.216

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy opencode || rpm -q opencode || opencode --version

2. UPGRADE to 1.0.216 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade opencode

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade opencode

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

npm · opencode-ai · FIXED · 1.0.216 · vulnerable: < 1.0.216 · source

npm install opencode-ai@">=1.0.216" npm ls opencode-ai

Fedora 46 · jgmenu · FIXED · 4.7.0-1.fc46 · FEDORA-2026-3053ee4399 · source

sudo dnf upgrade --advisory=FEDORA-2026-3053ee4399

Fedora ELN · python-tkrzw · FIXED · 0.1.32-12.eln159 · FEDORA-2026-0161d71544 · source

sudo dnf upgrade --advisory=FEDORA-2026-0161d71544

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: rohmatariow/CVE-2026-22812-exploit (34 stars)
GitHub PoC: barrersoftware/opencode-secure (6 stars)
GitHub PoC: 0xgh057r3c0n/CVE-2026-22812 (2 stars)
Write-up: github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh
Nuclei scan template: OpenCode < 1.0.216 - Unauthenticated Remote Code Execution

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-22812?

opencode: upgrade to 1.0.216. Exact commands for each OS are on this page.

Is CVE-2026-22812 being exploited?

CVE-2026-22812 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-22812 affect?

CVE-2026-22812 affects opencode. Severity is high (CVSS 8.8). 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'

How urgent is CVE-2026-22812?

Priority 60/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2026-22813 MEDIUM 6.1 UPGRADE OpenCode is an open source AI coding agent

References

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