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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | PyTorch | 2.10.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pytorch | No fix yet | — |
| Debian 13 | pytorch | No fix yet | — |
| Debian 12 | pytorch | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | pytorch | No fix yet | — |
| Ubuntu 26.04 LTS | pytorch | No fix yet | — |
| Ubuntu 25.10 | pytorch | No fix yet | — |
| Ubuntu 22.04 LTS | pytorch | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | torch | <= 2.10.0 | — | PYSEC-2026-139 |
Advisories 1
- WID-SEC-2026-0813 PyTorch: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Mar 22, 2026
References
- VDB-352326 | PyTorch pt2 Loading deserialization vdb-entry
- VDB-352326 | CTI Indicators (IOB, IOC) signature permissions-required
- Submit #774681 | pytorch PyTorch 2.10.0 Release deserialize third-party-advisory
- https://github.com/pytorch/pytorch/pull/176791 exploit issue-tracking patch
- https://github.com/pytorch/pytorch/ product