CVE-2026-19271— Blind LDAP Injection in Sign-In Endpoint in TÜBİTAK BİLGEM's Liderahenk
Quick assessment
Affected
TÜBİTAK BİLGEM Software Technologies Research Institute Liderahenk
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.
TÜBİTAK BİLGEM 软件技术研究所开发的 Liderahenk 软件中存在“LDAP 查询中特殊元素未正确中和”（即 LDAP 注入）漏洞，可能导致 LDAP 注入攻击。 该问题影响 Liderahenk 版本范围：3.4.0 至 3.5.5 之前（即 < 3.5.5）。
Possible ATT&CK Techniques 1 AI
T1206Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TÜBİTAK BİLGEM Software Technologies Research Institute | Liderahenk | 3.4.0< 3.5.5 |
affected |
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I. Basic Information for CVE-2026-19271
Vulnerability Information
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Vulnerability Title
Blind LDAP Injection in Sign-In Endpoint in TÜBİTAK BİLGEM's Liderahenk
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute Liderahenk allows LDAP Injection.
This issue affects Liderahenk: from 3.4.0 before 3.5.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
LDAP查询中使用的特殊元素转义处理不恰当(LDAP注入)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| TÜBİTAK BİLGEM Software Technologies Research Institute | Liderahenk | 3.4.0 ~ 3.5.5 | - |
|
II. Public POCs for CVE-2026-19271
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-19271 (1)
-
🔗 T.C. Siber Güvenlik Başkanlığı - Güvenlik Bildirimleri Detay government-resource
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V. Comments for CVE-2026-19271
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