What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-15
• Weakness: CWE-74

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

• ModelTC LightX2V: 0.1, 0.2, 0.3, 0.4, 0.5.0

References

• https://github.com/ModelTC/LightX2V/
• https://github.com/ModelTC/LightX2V/issues/1559
• https://vuldb.com/cve/CVE-2026-108943
• https://vuldb.com/submit/997679
• https://vuldb.com/vuln/416768
• https://vuldb.com/vuln/416768/cti
• https://github.com/ModelTC/LightX2V/issues/1559

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