SEPTEMBER 18, 2026
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Case File

CVE-2021-47952

CRITICAL · CVSS 9.8 EPSS 0.70% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-16 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution
GitHub PoC Links
External Security References

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

CVE
CVE-2021-47952
Severity
CRITICAL
CVSS
9.8
EPSS
0.70%

Original NVD Description

python jsonpickle 2.0.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary Python commands by deserializing malicious JSON payloads containing py/repr objects. Attackers can craft JSON strings with py/repr directives that invoke the eval function during deserialization to execute arbitrary code.