CVE-2026-24747
CVE-2026-24747 is a high-severity vulnerability in Linuxfoundation Pytorch with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-4738
- Weakness: CWE-94
- Affected product: Linuxfoundation Pytorch
- Published:
- Last modified:
Description
PyTorch is a Python package that provides tensor computation. Prior to version 2.10.0, a vulnerability in PyTorch's `weights_only` unpickler allows an attacker to craft a malicious checkpoint file (`.pth`) that, when loaded with `torch.load(..., weights_only=True)`, can corrupt memory and potentially lead to arbitrary code execution. Version 2.10.0 fixes the issue.
Frequently asked questions
- What is CVE-2026-24747?
- PyTorch is a Python package that provides tensor computation. Prior to version 2.10.0, a vulnerability in PyTorch's `weights_only` unpickler allows an attacker to craft a malicious checkpoint file (`.pth`) that, when loaded with `torch.load(..., weights_only=True)`, can corrupt memory and potentially lead to arbitrary code execution. Version 2.10.0 fixes the issue.
- How severe is CVE-2026-24747?
- CVE-2026-24747 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-24747 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-24747?
- CVE-2026-24747 affects Linuxfoundation Pytorch. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-24747?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-24747 have an EU (EUVD) identifier?
- Yes. CVE-2026-24747 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4738.
- When was CVE-2026-24747 published?
- CVE-2026-24747 was published on 2026-01-27 and last updated on 2026-06-30.
References
- https://github.com/pytorch/pytorch/163122/commit/954dc5183ee9205cbe79876ad05dd2d9ae752139
- https://github.com/pytorch/pytorch/issues/163105
- https://github.com/pytorch/pytorch/releases/tag/v2.10.0
- https://github.com/pytorch/pytorch/security/advisories/GHSA-63cw-57p8-fm3p
- https://access.redhat.com/errata/RHSA-2026:24977
- https://access.redhat.com/security/cve/CVE-2026-24747
- https://bugzilla.redhat.com/show_bug.cgi?id=2433612
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24747.json
Affected products (1)
- cpe:2.3:a:linuxfoundation:pytorch:*:*:*:*:*:python:*:*
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