CVE-2026-111322
9.8, criticalColeam00 Archon Missing Authentication for Critical Function Vulnerability
- CVSS
- 9.8, critical critical CVSS v3.1
- EPSS, next 30 days
- 0.7% higher than 51.8% of scored CVEs
- Exploitation
- No public evidence
- Published
- 15 Oct 20262 days ago
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.
Details
- Vendor
- Coleam00
- Product
- Archon
- Weakness
- CWE-306 (opens in a new tab)
- Status
- Received
- Updated
- 15 Oct 2026
- Assigner
- disclosure@vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References 6
Other references 6
- github.com /coleam00/Archon (opens in a new tab)
- github.com /coleam00/Archon/blob/v0.11.1/packages/server/src/auth/config.ts#L25-L27 (opens in a new tab)
- github.com /coleam00/Archon/blob/v0.11.1/packages/server/src/index.ts#L909 (opens in a new tab)
- github.com /coleam00/Archon/blob/v0.11.1/packages/server/src/routes/api.ts#L1749-L1756 (opens in a new tab)
- hackmd.io /@hieuPenguinnn/archon-os-api-missing-authentication-default (opens in a new tab)
- vulncheck.com /advisories/archon-0.2.13-through-0.11.1-missing-authentication-via-api-control-api (opens in a new tab)
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Beyond this page
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.