Tencent HunyuanVideo load_vae Deserialization of Untrusted Data Remote Code Execution Vulnerability

published 2025-12-23 10 mo ago modified 2026-10-19 20 d ago also EUVD-2025-204975

cvss: 7.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

Tencent HunyuanVideo load_vae Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tencent HunyuanVideo. 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_vae 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. Was ZDI-CAN-27186.

Patch / fix

links 1

github.com/Tencent-Hunyuan/HunyuanVideo@b47e10b commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 10 mo ago (2025-12-30)

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Tencent HunyuanVideo

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

Sources

CVE List CVE-2025-13710
NVD CVE-2025-13710

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary