Tencent Hunyuan3D-1 load_pretrained Deserialization of Untrusted Data Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tencent Hunyuan3D-1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the load_pretrained function. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of root.
Additional Details
Tencent has issued an update to correct this vulnerability. More details can be found at:
https://github.com/Tencent-Hunyuan/Hunyuan3D-1/commit/454284503670312d4e06f6251c9be2f9f6d0fae7
Disclosure Timeline
- 2025-05-22 - Vulnerability reported to vendor
- 2025-12-01 - Coordinated public release of advisory
- 2025-12-01 - Advisory Updated
Credit
Peter Girnus (@gothburz) of Trend Zero Day Initiative
