[ CVE-2026-111322 · Published 15 Oct 2026 ]
Vulnerability in coleam00 Archon
CVSS 9.8
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
- Critical severity: CVSS 9.8
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/coleam00/Archon
- github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/auth/config.ts
- github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/index.ts
- github.com/coleam00/Archon/blob/v0.11.1/packages/server/src/routes/api.ts
- hackmd.io/@hieuPenguinnn/archon-os-api-missing-authentication-default
- www.vulncheck.com/advisories/archon-0.2.13-through-0.11.1-missing-authentication-via-ap…