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Vulnerability details: VCID-5qf2-6yrv-yucb
Vulnerability ID VCID-5qf2-6yrv-yucb
Aliases CVE-2025-67221
GHSA-hx9q-6w63-j58v
PYSEC-2026-107
Summary The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 7.5 https://github.com/ijl/orjson
cvssv3.1 7.5 https://github.com/kpatsakis/orjson_vulnerability
Reference id Reference type URL
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
CVE-2025-67221 https://nvd.nist.gov/vuln/detail/CVE-2025-67221
GHSA-hx9q-6w63-j58v https://github.com/advisories/GHSA-hx9q-6w63-j58v
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/ijl/orjson
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/kpatsakis/orjson_vulnerability
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:23:47.900909+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/orjson/PYSEC-2026-107.yaml 38.6.0