CVE-2026-116019Grav 2.0.15 before 2.2.13 Allowlist Bypass via Flex Form Override Directives

Descripción

Grav 2.0.15 before 2.2.13 contains an allowlist bypass vulnerability that allows page editors to invoke arbitrary public static methods by relocating data-*@ directives with unset-name@ or integer keys. Attackers with page-edit permission can embed crafted fields in Flex form overrides in page frontmatter to call methods like Folder::delete or Utils::download, deleting directories, overwriting files, or reading files outside the page tree.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• GitHub Security Advisory (GHSA-47gg-mh38-9rr7) vendor-advisory
• https://github.com/getgrav/grav/commit/4d9e3935f6b79cc1a157914554ccca6066a16f87 patch
• grav 2.2.13 Release Notes release-notes
• https://github.com/getgrav/grav/blob/2.2.12/system/src/Grav/Common/Data/Blueprint.php technical-description
• VulnCheck Advisory: Grav 2.0.15 before 2.2.13 Allowlist Bypass via Flex Form Override Directives third-party-advisory