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Vulnerabilities

Vulnerability · CVE-2026-4538

A vulnerability was identified in PyTorch 2.10.0.

Published Mar 22, 2026 · catalog updated Jun 17, 2026 · A vulnerability was identified

Check if you run it

No confirmed exploitation is on record for CVE-2026-4538. EPSS is 0.40%. Act only if a listed version of A vulnerability was identified is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A vulnerability was identified).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low1.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.40%
Remediation
Advisory link
Affected products
cpe linuxfoundation/pytorch

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe linuxfoundation/pytorch2.10.0

How to fix CVE-2026-4538

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-4538. EPSS is 0.40%. Act only if a listed version of A vulnerability was identified is installed.

Which versions are affected?

Compare what you have installed with 2.10.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation; CWE-502: Deserialization of Untrusted Data. EPSS 0.40%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 22, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-4538

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4538

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-4538

    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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.