Jsonpickle vulnerabilities

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Published CVEs affecting Jsonpickle products: 1 record(s), with severity, exploitation and fixes.

Python Jsonpickle 1

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CVE-2021-47952 Critical · 9.8 CWE-94 May 16, 2026

python jsonpickle 2.0.0 Remote Code Execution via py/repr

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.