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GHSA-hx9q-6w63-j58v | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceGHSA-hx9q-6w63-j58v

GHSA-hx9q-6w63-j58v

HIGH7.7

orjson does not limit recursion for deeply nested JSON documents

Published Jan 22, 2026

Modified 2 months ago

Fix available

Details

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

Affected Packages

orjson

PyPI

Fixed in:

3.11.6

References

https://github.com/advisories/GHSA-hx9q-6w63-j58v

https://github.com/ijl/orjson

https://github.com/ijl/orjson/commit/62bb185b70785ded49c79c26f8c9781f1e6fe370

https://github.com/ijl/orjson/issues/620

https://github.com/kpatsakis/CVE-2025-67221/issues/1

https://github.com/kpatsakis/orjson_vulnerability

https://nvd.nist.gov/vuln/detail/CVE-2025-67221

Aliases

CVSS Analysis

CVSS v4.0

7.7

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

NoneVC:N

Vuln. Integrity

NoneVI:N

Vuln. Availability

HighVA:H

Subsequent System

Subseq. Confidentiality

NoneSC:N

Subseq. Integrity

NoneSI:N

Subseq. Availability

NoneSA:N

7.7/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

Related

Ecosystems

Timeline

PublishedJan 22, 2026

ModifiedMar 12, 2026