CVE-2026-4538PyTorch pt2 Loading deserialization

Description

A vulnerability was identified in PyTorch 2.10.0. The affected element is an unknown function of the component pt2 Loading Handler. The manipulation leads to deserialization. The attack can only be performed from a local environment. The exploit is publicly available and might be used. The project was informed of the problem early through a pull request but has not reacted yet.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• VDB-352326 | PyTorch pt2 Loading deserialization vdb-entryThird Party AdvisoryVDB Entry
• VDB-352326 | CTI Indicators (IOB, IOC) signaturepermissions-requiredPermissions RequiredVDB Entry
• Submit #774681 | pytorch PyTorch 2.10.0 Release deserialize third-party-advisoryThird Party AdvisoryVDB Entry
• https://github.com/pytorch/pytorch/pull/176791 exploitissue-trackingpatchIssue Tracking
• https://github.com/pytorch/pytorch/ productProduct