CVE-2026-111322 json
Archon 0.2.13 through 0.11.1 Missing Authentication via /api/* Control API
published 25d ago modified 24d ago also EUVD-2026-102480
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 24d ago
Exploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- hackmd.io https://hackmd.io/@hieuPenguinnn/archon-os-api-missing-authentication-default referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | 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 |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 9.3 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- coleam00 Archon
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
hackmd.io
/@hieuPenguinnn/archon-os-api-missing-authentication-default
third-party-advisory, exploit
-
github.com
/coleam00/Archon/blob/v0.11.1/packages/server/src/routes/api.ts#L1749-L1756
technical-description
-
github.com
/coleam00/Archon/blob/v0.11.1/packages/server/src/auth/config.ts#L25-L27
technical-description
-
github.com
/coleam00/Archon/blob/v0.11.1/packages/server/src/index.ts#L909
technical-description
-
github.com
/coleam00/Archon
product
-
vulncheck.com
/advisories/archon-0.2.13-through-0.11.1-missing-authentication-via-api-control-api
third-party-advisory
Sources
- CVE List CVE-2026-111322
- NVD CVE-2026-111322
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.