CVE-2026-75832— Grav API Plugin before 1.0.14 Authorization 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 1.0.14之前版本存在授权问题漏洞，该漏洞源于resolveUserScope方法缺少授权验证，仅基于账户的超级管理员ACL标志（access.api.super）而非验证API密钥的实际范围，可能导致持有仅限api.media.write范围API密钥的攻击者绕过授权检查，通过POST /blueprint-upload或GET /blueprint-files向其他用户范围写入文件并浏览文件列表。
Possible ATT&CK Techniques 1 AI
T1528 · Steal Application Access Token
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I. Basic Information for CVE-2026-75832
Vulnerability Information
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Vulnerability Title
Grav API Plugin before 1.0.14 Authorization Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The Grav API plugin (getgrav/grav-plugin-api, bundled with Grav 2.0) before version 1.0.14 (fixed in 1.0.15) contains a missing authorization vulnerability in BlueprintPathResolver::resolveUserScope(). The method gates the users/<name> scope on the account's raw super-admin ACL flag (access.api.super) instead of validating the presented API key's actual scope. An attacker holding an API key scoped only to api.media.write minted on a super-admin account can bypass the authorization check and, via POST /blueprint-upload or GET /blueprint-files, write a file into another user's scope (in the shared user/accounts/ directory, constrained to image extensions by assertSafeExtension()) and browse that scope's file listing, despite the key not being granted api.users.write.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Grav 授权问题漏洞
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 1.0.14之前版本存在授权问题漏洞，该漏洞源于resolveUserScope方法缺少授权验证，仅基于账户的超级管理员ACL标志（access.api.super）而非验证API密钥的实际范围，可能导致持有仅限api.media.write范围API密钥的攻击者绕过授权检查，通过POST /blueprint-upload或GET /blueprint-files向其他用户范围写入文件并浏览文件列表。
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-2026-75832
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-75832 (2)
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🔗 Grav API Plugin before 1.0.14 Authorization Bypass | Advisories | VulnCheck third-party-advisory
Same Patch Batch · getgrav · 2026-08-18 · 14 CVEs total
| CVE-2026-75837 | 9.1 CRITICAL | Grav before 2.0.14 Privilege Escalation via Group Access Field |
| CVE-2026-75836 | 8.8 HIGH | Grav API Plugin before 1.0.14 Missing Authorization |
| CVE-2026-75827 | 8.8 HIGH | Grav before 2.0.15 Arbitrary File Write via error_log |
| CVE-2026-75828 | 8.7 HIGH | Grav before 2.0.15 Stored XSS via detectXss() Quote Bypass |
| CVE-2026-75829 | 8.1 HIGH | grav-plugin-api before 1.0.15 Twig SSTI via translate endpoint |
| CVE-2026-75831 | 7.6 HIGH | Grav before 2.0.15 Stored XSS via audio/video source URL |
| CVE-2026-75830 | 7.1 HIGH | grav-plugin-api before 1.0.15 Path Traversal via batchCopy |
| CVE-2026-74907 | 5.9 MEDIUM | Grav before 2.0.15 Path Traversal via plugin-asset-map.php |
| CVE-2026-75107 | 5.4 MEDIUM | Grav Form Plugin before 9.1.19 Stored XSS via Field Properties |
| CVE-2026-75834 | 5.4 MEDIUM | Grav before 2.0.14 Stored XSS via Invalid UTF-8 Byte |
| CVE-2026-74908 | 4.6 MEDIUM | Grav plugin-api before 1.0.15 Script Injection via SVG |
| CVE-2026-75835 | 4.3 MEDIUM | Grav API Plugin before 1.0.14 Missing Authorization |
| CVE-2026-75833 | 4.2 MEDIUM | Grav API Plugin Open Redirect via Backslash Bypass |
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