CVE-2026-123491 Craft CMS 4.0.0 before 4.18.9 Unauthenticated SQL Injection via GraphQL Eager-Load Select
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-123491?
CVE-2026-123491 is a high-severity vulnerability in craftcms cms, published on 6 Nov 2026.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-123491?
How do I fix CVE-2026-123491?
No fix has been published for CVE-2026-123491 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-123491 being exploited?
There is no known exploitation of CVE-2026-123491 in the wild and no public exploit code.
Sources
Also known as GHSA-6534-m2vq-3r2h, GHSA-mjj9-pjh4-r48g.