What’s Vulnerable › Vulnerabilities

CVE-2022-29823: Feathers - Query “__proto__” is converted to real prototype

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-26 · updated 2026-06-17
• Weakness: CWE-1321

Description

Feather-Sequalize cleanQuery method uses insecure recursive logic to filter unsupported keys from the query object. This results in a Remote Code Execution (RCE) with privileges of application.

Affected products

• Feather js Feathers-Sequalize: from 6.0.0 before 6.3.4 — fixed in 6.3.4

How to fix

Upgrade to a fixed version: Feather js Feathers-Sequalize 6.3.4. Check the vendor advisory for mitigations.

References

• https://csirt.divd.nl/CVE-2022-29823/
• https://csirt.divd.nl/DIVD-2022-00020
• https://csirt.divd.nl/CVE-2022-29823/
• https://csirt.divd.nl/DIVD-2022-00020

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