What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-24 · updated 2026-10-26
• Weakness: CWE-749

Description

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.

Affected products

• getgrav grav: from 2.0.15 before 2.2.13 — fixed in 2.2.13

How to fix

Upgrade to a fixed version: getgrav grav 2.2.13. Check the vendor advisory for mitigations.

References

• https://github.com/getgrav/grav/blob/2.2.12/system/src/Grav/Common/Data/Blueprint.php
• https://github.com/getgrav/grav/commit/4d9e3935f6b79cc1a157914554ccca6066a16f87
• https://github.com/getgrav/grav/releases/tag/2.2.13
• https://github.com/getgrav/grav/security/advisories/GHSA-47gg-mh38-9rr7
• https://www.vulncheck.com/advisories/grav-2.0.15-before-2.2.13-allowlist-bypass-via-flex-form-override-directives

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