CVE-2026-22812

Opencode vulnerability

CVSS

8.8

EPSS

17.0%

EPSS pct

97th

Exploited

No known

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.

Affected vendor

Anoma

Affected product

Opencode

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-306 — Missing Authentication for Critical Function
CWE-749 — Exposed Dangerous Method or Function
CWE-942

Published

2026-01-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 17.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2026-22812

Confirm whether Anoma Opencode is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2026-22812.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-22812

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-22812 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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