CVE-2021-47952

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.

• https://github.com/jsonpickle/jsonpickle
• https://jsonpickle.github.io
• https://www.exploit-db.com/exploits/49585
• https://www.vulncheck.com/advisories/python-jsonpickle-remote-code-execution-via-py-repr