What is CVE-2022-29823?

CVE-2022-29823 is a critical-severity vulnerability in Feather Js Feathers-Sequalize, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 10.0/10. Published 2022-10-26.

How severe is CVE-2022-29823?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Prototype Pollution in Feather Js Feathers-Sequalize

CVE-2022-29823

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.

Vulnerability class: Prototype Pollution

Published 2022-10-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Feather Js Feathers-Sequalize — versions 6.x
Feathersjs Feathers-Sequelize

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

csirt.divd.nl/DIVD-2022-00020 (Third Party Advisory, third-party-advisory)
csirt.divd.nl/CVE-2022-29823/ (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2022-29823?: CVE-2022-29823 is a critical-severity vulnerability in Feather Js Feathers-Sequalize, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 10.0/10. Published 2022-10-26.
How severe is CVE-2022-29823?: Critical severity. CVSS v3 base score is 10.0 out of 10.