Archon 0.2.13 through 0.11.1 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* control API, which binds to 0.0.0.0 by default. Attackers with network access can send messages to the AI coding agent, which runs with bypassPermissions, to execute commands on the host as the Archon user.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00691.

Exploitation poc

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
coleam00 Archon unaffected
Version Status Constraints
0.2.13 affected ≤ 0.11.1

No data.

No data.

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Project Subscriptions

Vendors Products
Archon Subscribe
Archon Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/coleam00/Archon cve-icon cve-icon
https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/auth/config.ts#L25-L27 cve-icon cve-icon
https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/index.ts#L909 cve-icon cve-icon
https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/routes/api.ts#L1749-L1756 cve-icon cve-icon
https://hackmd.io/@hieuPenguinnn/archon-os-api-missing-authentication-default cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/archon-0.2.13-through-0.11.1-missing-authentication-via-api-control-api cve-icon cve-icon
History

Sat, 17 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description Archon 0.2.13 through 0.11.1 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* control API, which binds to 0.0.0.0 by default. Attackers with network access can send messages to the AI coding agent, which runs with bypassPermissions, to execute commands on the host as the Archon user.
Title Archon 0.2.13 through 0.11.1 Missing Authentication via /api/* Control API
First Time appeared Archon
Archon archon
Weaknesses CWE-306
CPEs cpe:2.3:a:archon:archon:*:*:*:*:*:*:*:*
Vendors & Products Archon
Archon archon
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-16T19:41:55.935Z

Reserved: 2026-10-15T20:27:21.718Z

Link: CVE-2026-111322

cve-icon Vulnrichment

Updated: 2026-10-16T19:41:48.672Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T22:19:30.633

Modified: 2026-10-16T20:17:20.237

Link: CVE-2026-111322

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T14:45:13Z

Weaknesses