CVE-2026-53875
picklescan before 1.0.3 contains a scanning bypass vulnerability in the scan_pytorch function that allows attackers to embed malicious magic numbers via dynamic eval using the __reduce__ trick. Attackers can craft malicious PyTorch payloads that evade picklescan detection while remaining executable, enabling arbitrary code execution when loaded with torch.load().
Debolezza
picklescan before 1.0.3 contains a scanning bypass vulnerability in the scan_pytorch function that allows attackers to embed malicious magic numbers via dynamic eval using the __reduce__ trick. Attackers can craft malicious PyTorch payloads that evade picklescan detection while remaining executable, enabling arbitrary code execution when loaded with torch.load().
Riferimenti
- https://github.com/mmaitre314/picklescan/commit/134179474539648ba7dee1317959529fbd0e7f89
- https://github.com/mmaitre314/picklescan/commit/2a8383cfeb4158567f9770d86597300c9e508d0f
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-97f8-7cmv-76j2
- https://www.vulncheck.com/advisories/picklescan-scanning-bypass-via-dynamic-eval-in-scan-pytorch
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-97f8-7cmv-76j2
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