CVE Watch2 sept 2026

CVE-2026-79990

Craft CMS GraphQL entry mutation resolvers (saveEntry, deleteEntry) read siteIddirectly from$argumentswithout passing throughArgumentManager

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 2 sept 2026 · Última mod.: 2 sept 2026 · CWE-639

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Craft CMS GraphQL entry mutation resolvers (saveEntry, deleteEntry) read siteIddirectly from$argumentswithout passing throughArgumentManagerprepareArguments(), which is the function that enforces site-scope filtering via array_intersect against the GraphQL schema’s allowed sites. The query path (ElementResolverprepareElementQuery) correctly calls prepareArguments()`, so queries to unauthorized sites return empty. But mutations bypass this entirely — an attacker with a token scoped to Site A can create, modify, or delete entries in Site B by passing siteId in the mutations argument.

Referencias oficiales

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