SEPTEMBER 7, 2026
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Case File

CVE-2026-63767

CRITICAL · CVSS 9.8 EPSS 0.74% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-20 · Last synced 2026-08-19

CyberRota Analysis

AI-Generated

The ktransformers library versions up to 0.6.3 are vulnerable to an unauthenticated pickle deserialization flaw, enabling remote attackers to execute arbitrary commands by sending specially crafted pickle payloads to the SchedulerServer ZMQ ROUTER socket. This critical vulnerability poses a significant risk, as it allows attackers to leverage malicious __reduce__ methods to run shell commands on the server process. Organizations using affected versions should prioritize immediate updates to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-63767
Severity
CRITICAL
CVSS
9.8
EPSS
0.74%

Original NVD 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.