CVE-2026-4538

ADVISORY - nist

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 was informed of the problem early through a pull request but has not reacted yet.

EPSS Score: 0.00023 (0.065)

Common Weakness Enumeration (CWE)

ADVISORY - nist

Improper Input Validation

Deserialization of Untrusted Data

ADVISORY - redhat

Deserialization of Untrusted Data


NIST

CREATED

UPDATED

ADVISORY IDCVE-2026-4538
EXPLOITABILITY SCORE

1.8

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

1.9low

Debian

CREATED

UPDATED

ADVISORY IDCVE-2026-4538
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

UPDATED

ADVISORY IDCVE-2026-4538
EXPLOITABILITY SCORE

1.8

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.8medium

PypA

CREATED

UPDATED

ADVISORY ID

PYSEC-2026-139

EXPLOITABILITY SCORE

1.8

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.8high

Bitnami

CREATED

UPDATED

ADVISORY ID

BIT-pytorch-2026-4538

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

1.9low

Red Hat

CREATED

UPDATED

ADVISORY IDCVE-2026-4538
EXPLOITABILITY SCORE

1.8

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

5.3medium