CVE-2026-111322
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductArchon
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| coleam00 Archon | 0.2.13 ≤ v ≤ 0.11.1 | — |
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