Deserialization of Untrusted Data in FAIRChem - #VU157752

 

Deserialization of Untrusted Data in FAIRChem - #VU157752

Published: October 27, 2026 / Updated: October 27, 2026


Vulnerability identifier: #VU157752
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: N/A
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 within the parsing of pickle files in Slab. 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

FAIRChem

Remediation

Install updates from vendor's website.


External References

Related Security Bulletins