What’s Vulnerable › Vulnerabilities

CVE-2024-27454

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-02-26 · updated 2026-06-17
• Weakness: CWE-674

Description

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

Affected products

• Ijl Orjson: before 3.9.15 — fixed in 3.9.15

How to fix

Upgrade to a fixed version: Ijl Orjson 3.9.15. Check the vendor advisory for mitigations.

References

• https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915
• https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e
• https://github.com/ijl/orjson/issues/458
• https://monicz.dev/CVE-2024-27454
• https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915
• https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e
• https://github.com/ijl/orjson/issues/458
• https://monicz.dev/CVE-2024-27454

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