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CVE-2026-86194— Grav Form Plugin before 9.1.22 Cross-Page Form Execution

Quick assessment

Affected
getgrav grav-plugin-form
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 9.1.22之前版本存在授权问题漏洞，该漏洞源于跨页面按名称解析表单时未验证页面授权，导致匿名访问者能够执行登录受限或未发布页面上定义的表单操作，攻击者可通过向任意公共页面发送包含受限表单名称的POST请求，在无需身份验证的情况下触发保存、上传、邮件或调用操作。

CVSS 6.9 · Medium EPSS 0.56% · P46

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
getgrav grav-plugin-form < 9.1.22 affected
9.1.22 unaffected
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I. Basic Information for CVE-2026-86194

Vulnerability Information
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Vulnerability Title
Grav Form Plugin before 9.1.22 Cross-Page Form Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Grav Form Plugin before 9.1.22 fails to verify page authorization when resolving forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages. Attackers can POST to any public page with a restricted form's name to trigger save, upload, email, or call actions without authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA: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 9.1.22之前版本存在授权问题漏洞，该漏洞源于跨页面按名称解析表单时未验证页面授权，导致匿名访问者能够执行登录受限或未发布页面上定义的表单操作，攻击者可通过向任意公共页面发送包含受限表单名称的POST请求，在无需身份验证的情况下触发保存、上传、邮件或调用操作。
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-form 0 ~ 9.1.22 -

II. Public POCs for CVE-2026-86194

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III. Intelligence Information for CVE-2026-86194

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Vendor Advisories for CVE-2026-86194 (2)

Same Patch Batch · getgrav · 2026-09-05 · 5 CVEs total

CVE-2026-86196 8.7 HIGH Grav API Plugin before 1.0.20 Authentication Bypass via Host Header
CVE-2026-86195 8.7 HIGH grav-plugin-api 1.0.0 through 1.0.19 Privilege Escalation via Dot-Keyed Super Flag
CVE-2026-86193 8.7 HIGH Grav API Plugin Authentication Bypass via Group-Inherited Super
CVE-2026-86197 5.1 MEDIUM Grav before 2.0.20 Cross-Site Scripting via Assets Sandbox

IV. Related Vulnerabilities

Same product: grav-plugin-form
Same vendor: getgrav
Same weakness: CWE-862

V. Comments for CVE-2026-86194

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