CVE-2026-111322
Archon 0.2.13 through 0.11.1 Missing Authentication via /api/* Control API
- State
- Published
- Severity
- 9.3 Critical
- Published
- Oct 15, 2026
- Updated
- Oct 16, 2026
- Reserved
- Oct 15, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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 | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
Archoncoleam00 |
|
References
- https://hackmd.io/@hieuPenguinnn/archon-os-api-missing-authentication-defaultthird-party-advisory
- https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/routes/api.ts#L1749-L1756technical-description
- https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/auth/config.ts#L25-L27technical-description
- https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/index.ts#L909technical-description
- https://github.com/coleam00/Archonproduct
- VulnCheck Advisory: Archon 0.2.13 through 0.11.1 Missing Authentication via /api/* Control APIthird-party-advisory
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