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7.5
HIGH CVSS 3.1
CVE-2024-27454
Orjson Recursion Vulnerability
Description

orjson.loads in orjson before 3.9.15 does not limit recursion for deeply nested JSON documents.

INFO

Published Date :

Feb. 26, 2024, 4:28 p.m.

Last Modified :

Sept. 18, 2025, 4:23 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2024-27454 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ijl orjson
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-27454.

URL Resource
https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915 Release Notes
https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e Patch
https://github.com/ijl/orjson/issues/458 Exploit Issue Tracking
https://monicz.dev/CVE-2024-27454 Broken Link
https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915 Release Notes
https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e Patch
https://github.com/ijl/orjson/issues/458 Exploit Issue Tracking
https://monicz.dev/CVE-2024-27454 Broken Link
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-27454 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-27454 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-27454 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2024-27454 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Sep. 18, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:ijl:orjson:*:*:*:*:*:python:*:* versions up to (excluding) 3.9.15
    Added Reference Type CVE: https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915 Types: Release Notes
    Added Reference Type MITRE: https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915 Types: Release Notes
    Added Reference Type CVE: https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e Types: Patch
    Added Reference Type MITRE: https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e Types: Patch
    Added Reference Type CVE: https://github.com/ijl/orjson/issues/458 Types: Exploit, Issue Tracking
    Added Reference Type MITRE: https://github.com/ijl/orjson/issues/458 Types: Exploit, Issue Tracking
    Added Reference Type CVE: https://monicz.dev/CVE-2024-27454 Types: Broken Link
    Added Reference Type MITRE: https://monicz.dev/CVE-2024-27454 Types: Broken Link
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915
    Added Reference https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e
    Added Reference https://github.com/ijl/orjson/issues/458
    Added Reference https://monicz.dev/CVE-2024-27454
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 02, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-674
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by [email protected]

    Feb. 26, 2024

    Action Type Old Value New Value
    Added Description orjson.loads in orjson before 3.9.15 does not limit recursion for deeply nested JSON documents.
    Added Reference MITRE https://github.com/ijl/orjson/issues/458 [No types assigned]
    Added Reference MITRE https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e [No types assigned]
    Added Reference MITRE https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915 [No types assigned]
    Added Reference MITRE https://monicz.dev/CVE-2024-27454 [No types assigned]
    Added CVSS V3.1 MITRE AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact