Security Advisory

CVE-2026-63767

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-20 19:13:43

Last updated 2026-07-21 12:42:40

Assigner VulnCheck

CVSS score 9.3

State PUBLISHED

Description

ktransformers through 0.6.3, fixed in commit def0f93, contains an unauthenticated pickle deserialization vulnerability that allows remote attackers to execute arbitrary commands by sending crafted pickle payloads to the SchedulerServer ZMQ ROUTER socket bound to all interfaces. Attackers can exploit malicious __reduce__ methods embedded in crafted pickle payloads to execute arbitrary shell commands as the server process.

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