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

Quick assessment

Affected
getgrav grav
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Grav CMS 2.0.15 至 2.2.12 版本（即 2.2.13 之前的版本）存在一个白名单绕过漏洞。该漏洞允许拥有页面编辑权限的攻击者，通过将 指令重命名为以 或整数作为键名的形式，从而调用任意公开静态方法。攻击者可在页面的前导元数据（frontmatter）中嵌入精心构造的字段，利用 Flex 表单覆盖功能，调用诸如 或 等方法，进而实现删除目录、覆盖文件或读取页面树之外的文件等恶意操作。

CVSS 8.8 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
getgrav grav 2.0.15< 2.2.13 affected
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I. Basic Information for CVE-2026-116019

Vulnerability Information
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Vulnerability Title
Grav 2.0.15 before 2.2.13 Allowlist Bypass via Flex Form Override Directives
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
暴露危险的方法或函数
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
getgrav grav 2.0.15 ~ 2.2.13 -

II. Public POCs for CVE-2026-116019

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III. Intelligence Information for CVE-2026-116019

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Patches & Fixes for CVE-2026-116019 (1)

Vendor Advisories for CVE-2026-116019 (2)

Vendor Pages for CVE-2026-116019 (1)

IV. Related Vulnerabilities

Same product: grav
Same vendor: getgrav
Same weakness: CWE-749

V. Comments for CVE-2026-116019

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