Description
A weakness has been identified in ModelTC LightX2V up to 0.5.0. Affected is the function AutoTokenizer.from_pretrained of the file lightx2v/models/runners/cosmos3/cosmos3_runner.py of the component Tokenizer. This manipulation of the argument auto_map causes code injection. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ModelTC | LightX2V | 0.1, 0.2, 0.3, 0.4, 0.5.0 | — |
References
- VDB-416768 | ModelTC LightX2V Tokenizer cosmos3_runner.py AutoTokenizer.from_pretrained code injection vdb-entry technical-description
- VDB-416768 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-108943 | CVE Analysis and Report third-party-advisory
- Submit #997679 | ModelTC LightX2V up to main commit 8652c6f1c7f12f226c43abbb91d4d4e9290932c2 (release 0.5.0, published 2026-09-10) Code Injection (CWE-94) third-party-advisory
- https://github.com/ModelTC/LightX2V/issues/1559 exploit issue-tracking
- https://github.com/ModelTC/LightX2V/ product