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CVE-2021-47952

jsonpickle

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 system commands and arbitrary code.

CVSS 9.8EPSS 0.696%Risk 1.04
View source
Published
2026-05-16 16:16:21
Affected versions
<=2.0.0
Type
Package
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H