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CVE-2026-58493— grav-plugin-database: DSN Parameter Injection via Unsanitized Configuration Values in Connection String Construction

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.

getgrav Grav是getgrav个人开发者开源的一套可扩展的内容管理系统。 getgrav Grav 1.2.0之前版本存在输入验证错误漏洞，该漏洞源于通过直接拼接用户可配置的YAML值（如host、dbname、charset、server、database、directory和filename等字段）构建PDO DSN字符串，且未进行清理或验证，导致具有插件配置访问权限的管理员可注入DSN属性或路径遍历值。

AI Predicted 8.1 Difficulty: Easy EPSS 0.50% · P41

Affected Version Matrix 1

VendorProduct Version RangeStatus
getgrav grav < 1.2.0 affected
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I. Basic Information for CVE-2026-58493

Vulnerability Information
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Vulnerability Title
grav-plugin-database: DSN Parameter Injection via Unsanitized Configuration Values in Connection String Construction
Source: CVE Program / CVE List V5
Vulnerability Description
grav-plugin-database is the database plugin for Grav CMS. Prior to 1.2.0, Database::__call builds PDO DSN strings by directly concatenating user-configurable YAML values from fields such as host, dbname, charset, server, database, directory, and filename without sanitization or validation, allowing an administrator with plugin configuration access to inject DSN attributes or path traversal values. This issue is fixed in version 1.2.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
getgrav Grav 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
getgrav Grav是getgrav个人开发者开源的一套可扩展的内容管理系统。 getgrav Grav 1.2.0之前版本存在输入验证错误漏洞，该漏洞源于通过直接拼接用户可配置的YAML值（如host、dbname、charset、server、database、directory和filename等字段）构建PDO DSN字符串，且未进行清理或验证，导致具有插件配置访问权限的管理员可注入DSN属性或路径遍历值。
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

Vendor Product Affected Versions CPE Subscribe
getgrav grav < 1.2.0 -

II. Public POCs for CVE-2026-58493

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III. Intelligence Information for CVE-2026-58493

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Patches & Fixes for CVE-2026-58493 (1)

Vendor Advisories for CVE-2026-58493 (1)

Vendor Pages for CVE-2026-58493 (1)

Same Patch Batch · getgrav · 2026-07-10 · 10 CVEs total

CVE-2026-55885 6.8 MEDIUM Grav: Admin Backup Zip File Exposes Account Credentials and Configuration Secrets
CVE-2026-61450 6.5 MEDIUM Grav before 2.0.2 Config Exfiltration via offsetGet Filter
CVE-2026-61455 6.5 MEDIUM Grav before 2.0.1 Decompression Bomb via ZipArchiver
CVE-2026-55890 4.8 MEDIUM Grav: Stored CSS injection via Markdown image ?style=… reaches MediaObjectTrait::style()
CVE-2026-61456 4.6 MEDIUM Grav before 1.0.3 Stored XSS via SVG Upload API
CVE-2026-53653 Grav: Unauthenticated denial of service via unbounded image derivative dimensions
CVE-2026-58492 grav-plugin-database: SQL Injection in PDO::tableExists() due to Unsanitized Table Name In
CVE-2026-59193 Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()
CVE-2026-59190 Grav Admin Plugin — IDOR Privilege Escalation via saveUser()

IV. Related Vulnerabilities

Same product: grav
Same vendor: getgrav
Same weakness: CWE-74

V. Comments for CVE-2026-58493

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