CVE-2026-22812

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

Upgrade opencode to 1.0.216 or later.

Q: Is CVE-2026-22812 being actively exploited?

Not that we know of. CVE-2026-22812 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 17.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 97% of all scored CVEs.

Q: How severe is CVE-2026-22812?

CVE-2026-22812 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-22812 affect?

Published advisories record a fix for opencode (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHEPSS 97th pctl

8.8

CVSS v3

NVD

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.

CWE-306Missing Authentication for Critical Function CWE-749 CWE-942

How to fix

Remediation Available

opencodeNVD

Affected:< 1.0.216Fixed in:1.0.216CVE-2026-22812derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

16.97%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-3248	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-10271	High	7.5	100%	KEV + Ransom	-
CVE-2023-42793	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-1388	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2026-33017	Critical	9.8	100%	KEV	Fix
CVE-2021-37415	Critical	9.8	100%	KEV	-

Common questions

How do I fix CVE-2026-22812?

Upgrade opencode to 1.0.216 or later.

Is CVE-2026-22812 being actively exploited?

Not that we know of. CVE-2026-22812 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 17.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 97% of all scored CVEs.

How severe is CVE-2026-22812?

CVE-2026-22812 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-22812 affect?

Published advisories record a fix for opencode (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-22812

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-21.