{"id":"CVE-2022-35411","aliases":["GHSA-8rq8-f485-7v8x","PYSEC-2026-526"],"url":"https://o3.security/vulnerability/CVE-2022-35411","summary":"rpc.py vulnerable to Deserialization of Untrusted Data","details":"rpc.py through 0.6.0 allows Remote Code Execution because an unpickle occurs when the \"serializer: pickle\" HTTP header is sent. In other words, although JSON (not Pickle) is the default data format, an unauthenticated client can cause the data to be processed with unpickle.","published":"2022-07-08T18:07:40Z","modified":"2026-07-15T01:49:12.751503378Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.46139,"percentile":0.98689,"asOf":"2026-08-05"},"cisaKev":null,"exploitsKnown":5,"affectedPackages":[{"ecosystem":"PyPI","name":"rpc-py","fixedVersion":null}],"fix":{"url":"https://github.com/abersheeran/rpc.py/commit/491e7a841ed9a754796d6ab047a9fb16e23bf8bd","label":"abersheeran/rpc.py@491e7a8"},"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/167872/rpc.py-0.6.0-Remote-Code-Execution.html"},{"type":"WEB","url":"https://medium.com/%40elias.hohl/remote-code-execution-0-day-in-rpc-py-709c76690c30"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/35xxx/CVE-2022-35411.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-35411"},{"type":"FIX","url":"https://github.com/abersheeran/rpc.py/commit/491e7a841ed9a754796d6ab047a9fb16e23bf8bd"},{"type":"PACKAGE","url":"https://github.com/ehtec/rpcpy-exploit"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:12.751503378Z"}}