Deserialization of Untrusted Data in DataChain - CVE-2025-61677
Published: October 29, 2025 / Updated: April 24, 2026
Vulnerability identifier: #VU117777
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-61677
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data in the data_storage module. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
DataChain
How to mitigate CVE-2025-61677
Install updates from vendor's website.
DataChain - update to 0.34.2