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CVE-2026-75829— grav-plugin-api before 1.0.15 Twig SSTI via translate endpoint

CVSS 8.1 · High EPSS 0.29% · P22

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProductVersion RangeStatus
getgravgrav< 1.0.15affected
1.0.15unaffected
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I. Basic Information for CVE-2026-75829

Vulnerability Information
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Vulnerability Title
grav-plugin-api before 1.0.15 Twig SSTI via translate endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
grav-plugin-api versions before 1.0.15 fail to validate Twig content in the translate() endpoint, allowing attackers with api.pages.write permission to persist pages with process.twig enabled. Attackers can submit crafted header and content parameters to execute server-side template injection payloads that are evaluated at render time.
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:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5
Vulnerability Title
Grav 代码注入漏洞
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 1.0.15之前版本存在代码注入漏洞，该漏洞源于translate()端点未验证Twig内容，可能导致具有api.pages.write权限的攻击者提交特制的header和content参数执行服务器端模板注入payload。
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

VendorProductAffected VersionsCPESubscribe
getgravgrav 0 ~ 1.0.15 -

II. Public POCs for CVE-2026-75829

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7827 chars
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III. Intelligence Information for CVE-2026-75829

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Vendor Advisories for CVE-2026-75829 (2)

Same Patch Batch · getgrav · 2026-08-18 · 14 CVEs total

CVE-2026-758379.1 CRITICALGrav before 2.0.14 Privilege Escalation via Group Access Field
CVE-2026-758368.8 HIGHGrav API Plugin before 1.0.14 Missing Authorization
CVE-2026-758278.8 HIGHGrav before 2.0.15 Arbitrary File Write via error_log
CVE-2026-758288.7 HIGHGrav before 2.0.15 Stored XSS via detectXss() Quote Bypass
CVE-2026-758317.6 HIGHGrav before 2.0.15 Stored XSS via audio/video source URL
CVE-2026-758307.1 HIGHgrav-plugin-api before 1.0.15 Path Traversal via batchCopy
CVE-2026-749075.9 MEDIUMGrav before 2.0.15 Path Traversal via plugin-asset-map.php
CVE-2026-751075.4 MEDIUMGrav Form Plugin before 9.1.19 Stored XSS via Field Properties
CVE-2026-758345.4 MEDIUMGrav before 2.0.14 Stored XSS via Invalid UTF-8 Byte
CVE-2026-749084.6 MEDIUMGrav plugin-api before 1.0.15 Script Injection via SVG
CVE-2026-758324.3 MEDIUMGrav API Plugin before 1.0.14 Authorization Bypass
CVE-2026-758354.3 MEDIUMGrav API Plugin before 1.0.14 Missing Authorization
CVE-2026-758334.2 MEDIUMGrav API Plugin Open Redirect via Backslash Bypass

IV. Related Vulnerabilities

Same product: grav
Same vendor: getgrav
Same weakness: CWE-1336

V. Comments for CVE-2026-75829

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