Description
Tencent HunyuanDiT merge Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tencent HunyuanDiT. 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 merge endpoint. 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-27190.
References (2)
Core 2
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-25-1028/
Scores
CVSS v3
7.8
EPSS
0.0072
EPSS Percentile
72.6%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-502
Status
published
Products (1)
Tencent/HunyuanDiT
Current
Published
Dec 23, 2025
Tracked Since
Feb 18, 2026