CVE WatchOct 16, 2026

CVE-2026-49950

Xorbits Xoscar through 0.11.2 contains an unauthenticated deserialization vulnerability that allows remote attackers to execute arbitrary co

CVSS

9.8

Critical

EPSS

0.6%

p49

KEV

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Exploit Today

0-100

Published: Oct 13, 2026 · Last modified: Oct 16, 2026 · CWE-502

EPSS · 30d

0.6%EPSS · 30 days0.6%

2026-10-142026-10-20

Technical description

Xorbits Xoscar through 0.11.2 contains an unauthenticated deserialization vulnerability that allows remote attackers to execute arbitrary code by sending crafted data over the actor-pool TCP channel. Attackers can exploit SocketChannel.recv() passing unvalidated data to cloudpickle.loads(), which triggers pickle __reduce__ gadget execution before message type validation, achieving remote code execution as the server process which commonly runs as root on GPU nodes.

Official references

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-828148.8 HIG

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27.3%

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