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Vulnerability · Published Oct 13, 2026 · Assigned by VulDB

CVE-2026-108943ModelTC LightX2V Tokenizer cosmos3_runner.py AutoTokenizer.from_pretrained code injection

Medium 5.3

In plain English

A medium-severity code injection in LightX2V from ModelTC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 91.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
ModelTC LightX2V 0.10.20.30.40.5.0

Weakness: CWE-94, CWE-74 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

References