CVE-2026-124427

CRITICAL 9.8

Craft CMS 5.0.0 before 5.11.2 GraphQL Schema Scope Bypass via prev/next

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Craft CMS from 5.0.0 before 5.11.2 contains an authorization bypass vulnerability that allows anonymous GraphQL clients to read out-of-scope section entries via prev/next fields. Attackers can chain next hops from one visible in-scope entry to enumerate entries and read titles, slugs, and custom-field content from withheld sections.

CWE	CWE-862
Vendor	craftcms
Product	cms
Published	Nov 8, 2026

Stay Ahead of the Next One

Get instant alerts for craftcms cms

Be the first to know when new critical vulnerabilities affecting craftcms cms are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

craftcms / cms

5.0.0 < 5.11.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/craftcms/cms/security/advisories/GHSA-xpg7-m6gm-4xfh vulncheck.com: https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.11.2-graphql-schema-scope-bypass-via-prev-next