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CVE-2026-41076— RT: LDAP authentication bypass via empty password

Quick assessment

Affected
bestpractical rt
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Request Tracker是Request Tracker公司的一个问题和工单跟踪系统。 Request Tracker 5.0.9及之前版本和6.0.0版本至6.0.2版本存在授权问题漏洞，该漏洞源于使用LDAP/AD进行用户身份验证的RT安装中存在身份验证绕过，可能导致攻击者在特定LDAP服务器配置下无需有效凭据即可进行身份验证。

CVSS 8.1 · High EPSS 0.66% · P51

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 2

VendorProduct Version RangeStatus
bestpractical rt < 5.0.10 affected
>= 6.0.0, < 6.0.3 affected
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I. Basic Information for CVE-2026-41076

Vulnerability Information
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Vulnerability Title
RT: LDAP authentication bypass via empty password
Source: CVE Program / CVE List V5
Vulnerability Description
RT is an open source, enterprise-grade issue and ticket tracking system. Versions 5.0.9 and prior in addition to 6.0.0 through 6.0.2 contain an authentication bypass vulnerability in RT installations that use LDAP/AD for user authentication. Under certain LDAP server configurations, an attacker may be able to authenticate as any LDAP-backed RT user without supplying valid credentials. This issue has been fixed in versions 5.0.10 and 6.0.3. If developers are unable to upgrade immediately, they can temporarily work around this issue by reviewing their LDAP server's authentication policy to ensure it rejects unauthenticated bind attempts. Upgrading RT remains the recommended fix.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Request Tracker 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Request Tracker是Request Tracker公司的一个问题和工单跟踪系统。 Request Tracker 5.0.9及之前版本和6.0.0版本至6.0.2版本存在授权问题漏洞，该漏洞源于使用LDAP/AD进行用户身份验证的RT安装中存在身份验证绕过，可能导致攻击者在特定LDAP服务器配置下无需有效凭据即可进行身份验证。
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
bestpractical rt < 5.0.10 -

II. Public POCs for CVE-2026-41076

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8522 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-41076

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Vendor Advisories for CVE-2026-41076 (1)

Vendor Pages for CVE-2026-41076 (2)

Same Patch Batch · bestpractical · 2026-05-22 · 4 CVEs total

CVE-2026-41075 8.8 HIGH RT: SQL injection via entry_aggregator parameter in JSON search
CVE-2026-41074 7.1 HIGH RT has broken CSRF protection for authenticated users
CVE-2026-41073 4.6 MEDIUM RT: Spreadsheet downloads vulnerable to CSV/formula injection in Microsoft Excel and simil

IV. Related Vulnerabilities

Same product: rt
Same vendor: bestpractical
Same weakness: CWE-287

V. Comments for CVE-2026-41076

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