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CVE-2026-72833— Grav 1.0.6 through 1.0.11 Privilege Escalation via Scoped API Keys

Quick assessment

Affected
getgrav grav-plugin-api
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Grav是Grav组织开源的一款基于文件的扁平化内容管理系统。 Grav 1.0.6至1.0.11版本存在权限许可和访问控制问题漏洞，该漏洞源于部分端点通过超级管理员早退机制授权，未调用requirePermission()进行权限校验，导致受限API密钥绕过其声明的范围限制，从而可以执行超级管理员写操作，包括重写组ACL映射以授予任意账户超级管理员权限。

CVSS 8.8 · High EPSS 0.47% · P38

Affected Version Matrix 1

VendorProduct Version RangeStatus
getgrav grav-plugin-api 1.0.6≤ 1.0.11 affected
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I. Basic Information for CVE-2026-72833

Vulnerability Information
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Vulnerability Title
Grav 1.0.6 through 1.0.11 Privilege Escalation via Scoped API Keys
Source: CVE Program / CVE List V5
Vulnerability Description
The Grav API plugin (getgrav/grav-plugin-api) versions >= 1.0.6 and <= 1.0.11 contain a privilege escalation vulnerability. A scoped API key minted on a super-admin account bypasses its declared scope cap on four isSuperAdmin()-gated write endpoints (in GroupsController, AccountsConfigController, PreferencesController, and DashboardWidgetController). These endpoints authorize via a super-admin early-return that never invokes requirePermission()—the sole enforcement point of the scope cap—so a 'read-only'-scoped key (e.g. api.pages.read) can perform super-only write operations, including rewriting group ACL maps to grant super-admin privileges to arbitrary accounts. A leaked or delegated read-only CI/monitoring key can therefore gain full super-admin write capability. Fixed in 1.0.13.
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
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Grav 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grav是Grav组织开源的一款基于文件的扁平化内容管理系统。 Grav 1.0.6至1.0.11版本存在权限许可和访问控制问题漏洞，该漏洞源于部分端点通过超级管理员早退机制授权，未调用requirePermission()进行权限校验，导致受限API密钥绕过其声明的范围限制，从而可以执行超级管理员写操作，包括重写组ACL映射以授予任意账户超级管理员权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
getgrav grav-plugin-api 1.0.6 ~ 1.0.11 -

II. Public POCs for CVE-2026-72833

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8950 chars
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III. Intelligence Information for CVE-2026-72833

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Vendor Advisories for CVE-2026-72833 (2)

Same Patch Batch · getgrav · 2026-08-14 · 15 CVEs total

CVE-2026-72824 8.8 HIGH Grav before 1.0.13 API Key Scope Bypass via PagesController
CVE-2026-72826 8.8 HIGH Grav before 1.0.13 Scope Bypass via createApiKey
CVE-2026-72819 8.8 HIGH Grav CMS before 2.0.13 Remote Code Execution via ZIP Upload
CVE-2026-72831 8.8 HIGH Grav through 2.0.11 Authentication Bypass via Flex Objects
CVE-2026-72822 8.8 HIGH Grav before 1.0.13 Authentication Bypass via disable2fa
CVE-2026-72830 8.8 HIGH Grav API Plugin before 1.0.13 RCE via ConfigController scope bypass
CVE-2026-72829 8.8 HIGH Grav before 1.0.13 API Key Scope Bypass via UsersController
CVE-2026-72827 8.8 HIGH Grav CMS before 2.0.13 Remote Code Execution via Twig
CVE-2026-72825 7.6 HIGH Grav before 1.0.13 API-key scope cap bypass via ReportsController
CVE-2026-72828 7.2 HIGH Grav before 1.0.13 API Key Scope Bypass via InvitationsController
CVE-2026-72821 5.4 MEDIUM Grav Form Plugin before 9.1.15 Stored XSS via Radio Toggle
CVE-2026-72832 5.4 MEDIUM Grav before 2.0.12 Stored XSS via quoted-attribute bypass
CVE-2026-72823 5.4 MEDIUM Grav before 1.0.13 API-key scope cap bypass via DemoController
CVE-2026-72820 4.9 MEDIUM Grav 2.0.11 Path Traversal via Backup Profile Configuration

IV. Related Vulnerabilities

Same product: grav-plugin-api
Same vendor: getgrav
Same weakness: CWE-269

V. Comments for CVE-2026-72833

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