High severity · published Feb 26, 2024
CVE-2024-27454
orjson.loads in orjson before 3.9.15 does not limit recursion for deeply nested JSON documents
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
orjson.loads in orjson before 3.9.15 does not limit recursion for deeply nested JSON documents.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OR
Orjson · Ijl
before 3.9.15 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-27454
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-27454
Release Notes
https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915
Patch
https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e
Exploit
https://github.com/ijl/orjson/issues/458
Broken Link
https://monicz.dev/CVE-2024-27454
More from Orjson
7.5
CVE-2025-67221
The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents