Code Injection Vulnerability in ModelTC LightX2V Software
CVE-2026-108943

4.8MEDIUM

Key Information:

Vendor

Modeltc

Status
Lightx2v
Vendor
CVE Published:
13 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108943?

A code injection vulnerability has been discovered in the ModelTC LightX2V software, specifically within the AutoTokenizer.from_pretrained function located in the cosmos3_runner.py file. This weakness stems from improper handling of the auto_map argument and allows attackers to inject malicious code during local executions. Reports indicate that the exploit for this vulnerability is publicly available, raising concerns for users who have not yet updated to secure versions. Despite early notification regarding this issue, there has been no acknowledgment from the ModelTC project maintainers.

Affected Version(s)

LightX2V 0.1

LightX2V 0.2

LightX2V 0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-108943 - Proof of Concept

References

https://vuldb.com/vuln/416768
vdb-entrytechnical-description
https://vuldb.com/vuln/416768/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108943
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

dem0000 (VulDB User)
VulDB CNA Team
.