SQL Injection in Craftcms Cms
CVE-2026-123491
Craft CMS 4.0.0 before 4.18.9 and 5.0.0 before 5.11.2 contains an SQL injection vulnerability in GraphQL eager-loading: arguments on eager-loadable nodes absent from the public schema are copied into EagerLoadPlan criteria without cleansing. Unauthenticated attackers can supply a parenthesized select argument to inject SQL expressions and read arbitrary database content, including password hashes and session tokens.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/craftcms/cms/security/advisories/GHSA-mjj9-pjh4-r48g (vendor-advisory)
- www.vulncheck.com/advisories/craft-cms-4.0.0-before-4.18.9-unauthenticated-sql-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-123491?
- CVE-2026-123491 is a high-severity vulnerability in Craftcms Cms, classified under SQL Injection. CVSS score: 8.2/10. Published 2026-11-06.
- How severe is CVE-2026-123491?
- High severity. CVSS v3 base score is 8.2 out of 10.