What is GHSA-hx9q-6w63-j58v?

GHSA-hx9q-6w63-j58v is a security advisory published by GitHub Security Advisories with High severity. orjson does not limit recursion for deeply nested JSON documents

Which CVE IDs does GHSA-hx9q-6w63-j58v cover?

GHSA-hx9q-6w63-j58v covers the following CVE IDs: CVE-2025-67221. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by GHSA-hx9q-6w63-j58v?

GHSA-hx9q-6w63-j58v affects 1 product, including: pip/orjson:\u003c 3.11.6.

GHSA-hx9q-6w63-j58vHigh

orjson does not limit recursion for deeply nested JSON documents

Vendor

GitHub Security Advisories

Published

January 22, 2026

Last Modified

June 6, 2026

🔗 CVE IDs covered (1)

CVE-2025-67221 →

📋 Description

The orjson.dumps function in orjson before 3.11.6 does not limit recursion for deeply nested JSON documents.

🎯 Affected products1

pip/orjson:< 3.11.6

🔗 References (8)

https://nvd.nist.gov/vuln/detail/CVE-2025-67221
https://github.com/ijl/orjson
https://github.com/kpatsakis/orjson_vulnerability
https://github.com/ijl/orjson/issues/620
https://github.com/kpatsakis/CVE-2025-67221/issues/1
https://github.com/ijl/orjson/commit/62bb185b70785ded49c79c26f8c9781f1e6fe370
https://github.com/pypa/advisory-database/tree/main/vulns/orjson/PYSEC-2026-107.yaml
https://github.com/advisories/GHSA-hx9q-6w63-j58v