orjson does not limit recursion for deeply nested JSON documents
The orjson.dumps function in orjson before 3.11.6 does not limit recursion for deeply nested JSON documents.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-67221US | — | Exploit | ||
The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents. | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/ijl/orjsonPACKAGE
- https://github.com/ijl/orjson/commit/62bb185b70785ded49c79c26f8c9781f1e6fe370WEB
- https://github.com/ijl/orjson/issues/620WEB
- https://github.com/kpatsakis/CVE-2025-67221/issues/1WEB
- https://github.com/kpatsakis/orjson_vulnerabilityWEB
- https://github.com/pypa/advisory-database/tree/main/vulns/orjson/PYSEC-2026-107.yamlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-67221ADVISORY
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