CVE-2026-111322
Archon 0.2.13 through 0.11.1 Missing Authentication via /api/* Control API
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-306 |
| Vendor | coleam00 |
| Product | archon |
| Published | Oct 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for coleam00 archon
Be the first to know when new critical vulnerabilities affecting coleam00 archon are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
coleam00 / Archon
0.2.13 ≤ 0.11.1
References
hackmd.io: https://hackmd.io/@hieuPenguinnn/archon-os-api-missing-authentication-default github.com: https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/routes/api.ts#L1749-L1756 github.com: https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/auth/config.ts#L25-L27 github.com: https://github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/index.ts#L909 github.com: https://github.com/coleam00/Archon vulncheck.com: https://www.vulncheck.com/advisories/archon-0.2.13-through-0.11.1-missing-authentication-via-api-control-api
Credits
hieuPenguinnn