CVE-2026-72698— Grav CMS before 2.0.16 Information Disclosure via Twig Sandbox Bypass
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是Grav组织开源的一款基于文件的扁平化内容管理系统。 Grav 2.0.16之前版本存在信息泄露漏洞，该漏洞源于在沙箱Twig渲染中未过滤system、site和theme配置数组，导致具有页面内容编辑权限的攻击者可通过Twig模板中的点表示法访问原始配置数组（包括缓存凭据等秘密），绕过config_denied_paths限制，读取敏感配置值。
Possible ATT&CK Techniques 2 AI
T1528 · Steal Application Access Token T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-72698
Vulnerability Information
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Vulnerability Title
Grav CMS before 2.0.16 Information Disclosure via Twig Sandbox Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Grav CMS before 2.0.16 fails to filter system, site, and theme configuration arrays in sandboxed Twig renders, allowing content editors to read sensitive configuration values. Attackers with page-content edit access can access raw configuration arrays including secrets like cache credentials by using dot notation in Twig templates, bypassing the config_denied_paths restrictions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Grav 信息泄露漏洞
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 2.0.16之前版本存在信息泄露漏洞，该漏洞源于在沙箱Twig渲染中未过滤system、site和theme配置数组，导致具有页面内容编辑权限的攻击者可通过Twig模板中的点表示法访问原始配置数组（包括缓存凭据等秘密），绕过config_denied_paths限制，读取敏感配置值。
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
II. Public POCs for CVE-2026-72698
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-72698 (2)
Same Patch Batch · getgrav · 2026-08-25 · 15 CVEs total
| CVE-2026-56710 | 9.8 CRITICAL | Grav Login Plugin before 1.0.16 Privilege Escalation via Unlock |
| CVE-2026-75574 | 8.8 HIGH | Grav before 4.2.2 Remote Code Execution via Email Twig |
| CVE-2026-72696 | 8.4 HIGH | Grav CMS before 2.0.16 Symlink Following via createLockFile |
| CVE-2026-72695 | 8.1 HIGH | Grav before 2.0.16 Path Traversal via MediaUploadTrait deleteFile |
| CVE-2026-56707 | 7.7 HIGH | Grav Flex Objects 1.4.0 through 1.4.7 Authorization Bypass via Shortcode |
| CVE-2026-72700 | 7.5 HIGH | Grav before 3.9.1 Timing Attack via Non-Constant-Time Token Comparison |
| CVE-2026-76846 | 7.5 HIGH | Grav before 2.0.16 Information Disclosure via Twig Sandbox |
| CVE-2026-56709 | 7.5 HIGH | Grav before 3.9.2 Host Header Injection via sendInvitationEmail |
| CVE-2026-72697 | 6.5 MEDIUM | Grav CMS before 2.0.16 Path Traversal via media_directory |
| CVE-2026-76839 | 6.5 MEDIUM | Grav before 2.0.16 Information Disclosure via offsetGet |
| CVE-2026-72702 | 5.4 MEDIUM | Grav CMS before 2.0.16 Origin Validation Bypass via Referer |
| CVE-2026-72699 | 5.3 MEDIUM | Grav Login Plugin before 3.9.1 Email Enumeration via Registration |
| CVE-2026-56708 | 5.3 MEDIUM | Grav API Plugin before 1.0.16 SSRF via DNS Rebinding |
| CVE-2026-72701 | 3.7 LOW | Grav CMS before 2.0.16 Timing Attack via verifyNonce |
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Same weakness: CWE-200
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V. Comments for CVE-2026-72698
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