CVE-2026-116019 (CVSS 8.8)

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-749 CWE-749

References

Other 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

Frequently Asked Questions

What is CVE-2026-116019? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-116019? +

CVE-2026-116019 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2026-116019? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-116019