Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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Tue, 12 May 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Insecure Deserialization in PyTorch-Lightning Allows Arbitrary Code Execution |
Tue, 12 May 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | PyTorch-Lightning versions 2.6.0 and earlier contain an insecure deserialization vulnerability (CWE-502) in the checkpoint loading mechanism. The LightningModule.load_from_checkpoint() method, which is commonly used to load saved model states, internally calls torch.load() without setting the security-restrictive weights_only=True parameter. This default behavior allows the deserialization of arbitrary Python objects via the Pickle module. A remote attacker can exploit this by providing a maliciously crafted checkpoint file, leading to arbitrary code execution on the victim's system when the file is loaded. | |
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Projects
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MITRE
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-05-12T15:09:17.157Z
Reserved: 2026-03-09T00:00:00.000Z
Link: CVE-2026-31221
Vulnrichment
No data.
NVD
Status : Awaiting Analysis
Published: 2026-05-12T16:16:14.020
Modified: 2026-05-12T16:38:07.807
Link: CVE-2026-31221
Redhat
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OpenCVE Enrichment
Updated: 2026-05-12T17:30:21Z
No weakness.