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Vulnerabilities

Vulnerability · CVE-2026-44484

PyTorch Lightning is a deep learning framework to pretrain and finetune AI models.

Published May 14, 2026 · catalog updated Jul 15, 2026 · pytorch lightning

Check if you run it

No confirmed exploitation is on record for CVE-2026-44484. EPSS is 0.67%. Act only if a listed version of pytorch lightning is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.67%
Remediation
Advisory link
Affected products
cpe lightningai/pytorch lightning

PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism.

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 lightningai/pytorch lightning2.6.2
  • cpe lightningai/pytorch lightning2.6.3

How to fix CVE-2026-44484

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-2026-44484. EPSS is 0.67%. Act only if a listed version of pytorch lightning is installed.

Which versions are affected?

Compare what you have installed with lightningai/pytorch lightning 2.6.2; lightningai/pytorch lightning 2.6.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-506; CWE-829: Inclusion of Functionality from Untrusted Control Sphere. EPSS 0.67%. 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. May 14, 2026 · NIST NVD

    Detected

    PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism.

  2. Jul 15, 2026 · NIST NVD

    Updated

    PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism.

Sources

  • CVE.orgVulnerability recordCVE-2026-44484

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-44484

    30-day exploitation probability 0.7%

    first.org
  • NIST NVDVulnerability recordCVE-2026-44484

    PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism.

    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.