VULNERABILITY INTELLIGENCE
CVE-2021-47952
CVSS score9.8 CRITICAL
EPSS probability0.70%
CISA KEVNot currently listed
Published2026-05-16
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- disclosure@vulncheck.com: CWE-94
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-502