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CVE-2026-46391— HAX open-apis: Credential Theft via Server-Side Request Forgery (SSRF) in open-apis

AI Predicted 5.9 Difficulty: Easy EPSS 0.46% · P37

Possible ATT&CK Techniques 1AI

T1552 · Unsecured Credentials

Affected Version Matrix 1

VendorProductVersion RangeStatus
haxtheweb@haxtheweb/open-apis>= 9.0.1, < 26.0.0affected
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I. Basic Information for CVE-2026-46391

Vulnerability Information
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Vulnerability Title
HAX open-apis: Credential Theft via Server-Side Request Forgery (SSRF) in open-apis
Source: NVD (National Vulnerability Database)
Vulnerability Description
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Starting in version 9.0.1 and prior to version 26.0.0 of @haxtheweb/open-apis, multiple functions conduct substring-only matching to validate hostnames to which basic authorization should be sent. An attacker can append the matched substrings to an attacker-controlled endpoint and capture authentication. Version 26.0.0 fixes the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
宽松定义的白名单
Source: NVD (National Vulnerability Database)
Vulnerability Title
open-apis 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
open-apis是HAX The Web开源的一个HAX网络组件仓库的微服务API。 open-apis 9.0.1版本至26.0.0之前版本存在代码问题漏洞，该漏洞源于多个函数仅进行子串匹配验证主机名，可能导致攻击者附加匹配子串到攻击者控制的端点并捕获认证信息。
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
haxtheweb@haxtheweb/open-apis >= 9.0.1, < 26.0.0 -

II. Public POCs for CVE-2026-46391

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III. Intelligence Information for CVE-2026-46391

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Vendor Advisories for CVE-2026-46391 (1)

Same Patch Batch · haxtheweb · 2026-06-05 · 16 CVEs total

CVE-2026-463928.7 HIGHHAX CMS PHP Has a Stored XSS via Case-Sensitivity Mismatch in HTML Upload Validation
CVE-2026-464937.5 HIGHhaxtheweb/haxcms-php uses insecure method for generating salt
CVE-2026-463576.5 MEDIUMHAX CMS NodeJS application Vulnerable to Denial of Service using Malicious Import Request
CVE-2026-463976.5 MEDIUMhaxcms-php Local File Inclusion via saveOutline API Location Parameter v2.0
CVE-2026-46396HAX CMS has a stored XSS via <iframe> that allows access to sensitive client-side data and
CVE-2026-46401HAX CMS PHP has Insufficient Session Expiration
CVE-2026-46390HAX CMS has Unauthenticated Git Access via User-Controlled Key
CVE-2026-46394HAX CMS Vulnerable to Command Injection using Git.php
CVE-2026-46496HAX CMS: Stored XSS via '<video-player>' component allows arbitrary JavaScript execution a
CVE-2026-46398HAX CMS Missing Secure Flag on Cookie
CVE-2026-46395HAX CMS Vulnerable to Private Key Disclosure via Broken HMAC Implementation
CVE-2026-46511HAXcms: Mass Token Exfiltration and Cross-Tenant Hijack
CVE-2026-46400HAXCMS PHP has a File Upload Validation Bypass
CVE-2026-46393HAXcms createSite SSRF Enables Arbitrary File Read
CVE-2026-46399Authenticated Remote Code Execution via File Overwrite

IV. Related Vulnerabilities

Same vendor: haxtheweb
Same weakness: CWE-183

V. Comments for CVE-2026-46391

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