Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the read_webdataset() function. The _default_decoder() function in webdataset_datasource.py unconditionally calls pickle.loads() on tar entries with .pkl/.pickle extensions and torch.load() with weights_only=False on .pt/.pth entries, executing arbitrary code inside Ray remote workers on every worker that processes the malicious archive.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-57516US | — | — | ||
Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar ar… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/ray-project/ray/pull/63469FIX
- https://github.com/ray-project/ray/pull/63470FIX
- https://github.com/ray-project/ray/releases/tag/ray-2.56.0ADVISORY
- https://github.com/ray-project/ray/security/advisories/GHSA-hhrp-gw25-jr43FIX
- https://www.vulncheck.com/advisories/ray-unsafe-deserialization-rce-via-webdataset-readerADVISORY
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