CVE-2025-67221High▾ MidnightPoC availableorjson does not limit recursion for deeply nested JSON documents
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 41.3 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.6%
0.6% → 0.6%
1 GitHub repo (last check)
The orjson.dumps function in orjson before 3.11.6 does not limit recursion for deeply nested JSON documents.
orjson < 3.11.6Upgrade to a patched release:
orjson 3.11.6Connected by shared product, vendor, weakness, or advisory.