CVE-2026-73476— External Authentication - Moderately critical - Access bypass - SA-CONTRIB-2026-098
Quick assessment
Affected
Drupal External Authentication
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.
Drupal External Authentication是Drupal组织的一款外部身份认证模块。 Drupal External Authentication 0.0.0至2.0.13之前版本存在输入验证错误漏洞，该漏洞源于大小写敏感性处理不当，可能导致权限提升。
Possible ATT&CK Techniques 1 AI
T1531.001Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Drupal | External Authentication | 0.0.0< 2.0.13 |
affected |
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I. Basic Information for CVE-2026-73476
Vulnerability Information
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Vulnerability Title
External Authentication - Moderately critical - Access bypass - SA-CONTRIB-2026-098
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation. This issue affects External Authentication versions: from 0.0.0 to 2.0.13.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
大小写敏感处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Drupal External Authentication 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Drupal External Authentication是Drupal组织的一款外部身份认证模块。 Drupal External Authentication 0.0.0至2.0.13之前版本存在输入验证错误漏洞，该漏洞源于大小写敏感性处理不当，可能导致权限提升。
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 |
|---|---|---|---|---|
| Drupal | External Authentication | 0.0.0 ~ 2.0.13 | - |
|
II. Public POCs for CVE-2026-73476
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-73476 (1)
Same Patch Batch · Drupal · 2026-09-02 · 26 CVEs total
| CVE-2026-81167 | Address Suggestion - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-103 | |
| CVE-2026-81160 | Slick Carousel - Moderately critical - Cross Site Scripting - SA-CONTRIB-2026-117 | |
| CVE-2026-81201 | Monster Menus - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-116 | |
| CVE-2026-81205 | LDAP / Active Directory Integration - Moderately critical - Information Disclosure - SA-CO | |
| CVE-2026-81164 | Entity PDF - Moderately critical - Access bypass - SA-CONTRIB-2026-114 | |
| CVE-2026-81158 | Entity API - Moderately critical - Information disclosure - SA-CONTRIB-2026-113 | |
| CVE-2026-81162 | DXPR Builder: The AI Visual Page Builder for Drupal - Moderately critical - Information D | |
| CVE-2026-81166 | Digital Signage Framework - Moderately critical - Access bypass - SA-CONTRIB-2026-109 | |
| CVE-2026-81269 | Data field - Moderately critical - Information disclosure - SA-CONTRIB-2026-108 | |
| CVE-2026-81161 | Content Moderation Notifications - Moderately critical - Access bypass - SA-CONTRIB-2026-1 | |
| CVE-2026-81159 | Commerce CyberSource - Moderately critical - Insufficient input validation - SA-CONTRIB-20 | |
| CVE-2026-81168 | CAPTCHA Protected Page - Moderately critical - Cookie Forgery - SA-CONTRIB-2026-105 | |
| CVE-2026-81165 | Blazy - Less critical - Access bypass - SA-CONTRIB-2026-104 | |
| CVE-2026-16647 | Disable Login Page - Moderately critical - Access bypass - SA-CONTRIB-2026-111 | |
| CVE-2026-76759 | Screenshot - Critical - Unsupported - SA-CONTRIB-2026-102 | |
| CVE-2026-76782 | Screenshot - Critical - Unsupported - SA-CONTRIB-2026-102 | |
| CVE-2026-76758 | Link content parser - Critical - Unsupported - SA-CONTRIB-2026-101 | |
| CVE-2026-76755 | Gammu SMS Daemon - Critical - Unsupported - SA-CONTRIB-2026-100 | |
| CVE-2026-76756 | Gammu SMS Daemon - Critical - Unsupported - SA-CONTRIB-2026-100 | |
| CVE-2026-76757 | Gammu SMS Daemon - Critical - Unsupported - SA-CONTRIB-2026-100 |
Showing top 20 of 26 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-73476
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