Deserialization of Untrusted Data in smolagents - CVE-2025-14931

 

Deserialization of Untrusted Data in smolagents - CVE-2025-14931

Published: January 19, 2026


Vulnerability identifier: #VU121648
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-14931
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Hugging Face
Affected software:
smolagents

Detailed vulnerability description

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 within the parsing of pickle data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2025-14931

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources