CVE-2026-33326: Keystone is a content management system for Node.js

Routine

MEDIUM 4.3UPGRADE

CVE-2026-33326 is a medium-severity flaw (CVSS 4.3) affecting keystone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 field values. The fix for CVE-2025-46720 (field-level isFilterable bypass for update and delete mutations) added checks to the where parameter in update and delete mutations however the cursor parameter in findMany

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-863
Published	2026-03-24
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: keystonejs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-24 20:16 UTCPublished CVE record published
2026-06-17 10:37 UTCUpdated Record last modified

keystonejs keystone UPGRADE

Affected: < 6.5.2

Fixed in: 6.5.2

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls keystone

2. UPGRADE to 6.5.2

npm install keystone@">=6.5.2"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33326?

keystone: upgrade to 6.5.2. Exact commands for each OS are on this page.

Is CVE-2026-33326 being exploited?

CVE-2026-33326 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33326 affect?

CVE-2026-33326 affects keystone. Severity is medium (CVSS 4.3). 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 fiel

How urgent is CVE-2026-33326?

Priority 20/100. No elevated risk signals yet.

Software pages

Node.js vulnerabilities

Related CVEs

CVE-2026-33551 LOW 3.5 UPGRADE An issue was discovered in OpenStack Keystone 14 through 26 before 26.1.1, 27.0.0, 28.0.0, and 29.0.0
CVE-2026-43001 HIGH 7.9 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2
CVE-2026-42998 MEDIUM 6.0 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2
CVE-2026-42999 MEDIUM 6.0 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2
CVE-2026-43000 MEDIUM 6.0 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2

References

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