Is torch affected by CVE-2026-4538?

PyPI torch is affected in <=2.10.0.

Is CVE-2026-4538 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

high

CVE-2026-4538

Q: Is CVE-2026-4538 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

PyPI · torch

Summary

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 w

Severity: high
EPSS: 0.2% (p15)
Also known as: BIT-pytorch-2026-4538, PYSEC-2026-139
Published: 2026-03-22

References

Related advisories

CVE-2025-32434 — critical · PyPI/torch
CVE-2025-55560 — high · PyPI/torch
CVE-2025-55558 — high · PyPI/torch
CVE-2025-55557 — high · PyPI/torch
CVE-2025-55553 — high · PyPI/torch
CVE-2025-55552 — high · PyPI/torch
CVE-2025-55551 — high · PyPI/torch
CVE-2025-2148 — high · PyPI/torch

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.