What is CVE-2026-33326?

CVE-2026-33326 is a medium-severity vulnerability in Keystonejs Keystone, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-03-24.

How severe is CVE-2026-33326?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Keystonejs Keystone

CVE-2026-33326

Keystone is a content management system for Node.js. Prior to version 6.5.2, {field}.isFilterable access control can be bypassed in findMany queries by passing a cursor. This can be used to confirm the existence of records by protected fie…

Vulnerability class: Broken Access Control

EPSS: 0.000 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Keystonejs Keystone — versions < 6.5.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

https://github.com/keystonejs/keystone/security/advisories/GHSA-cgcg-q9jh-5pr2 (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33326?: CVE-2026-33326 is a medium-severity vulnerability in Keystonejs Keystone, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-03-24.
How severe is CVE-2026-33326?: Medium severity. CVSS v3 base score is 4.3 out of 10.