Buffer overflow in PyTorch - CVE-2026-24747
Published: January 27, 2026
Vulnerability identifier: #VU122054
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-24747
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: pytorch
Affected software:
PyTorch
PyTorch
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the "weights_only" unpickler. A remote attacker can trick a victim to load a malicious checkpoint file, trigger memory corruption 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-2026-24747
Install updates from vendor's website.