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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 Liderahenk是TURTÜBİTAK BİLGEM政府部门的一款远程管理系统软件。 TÜBİTAK BİLGEM Liderahenk 3.4.0版本至3.5.5之前版本存在输入验证错误漏洞，该漏洞源于LDAP查询中使用的特殊元素中和不当，容易受到LDAP注入攻击。

CVSS 7.5 · High EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1206

Affected Version Matrix 1

VendorProduct Version RangeStatus
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
Vulnerability Title
TÜBİTAK BİLGEM Liderahenk 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TÜBİTAK BİLGEM Liderahenk是TURTÜBİTAK BİLGEM政府部门的一款远程管理系统软件。 TÜBİTAK BİLGEM Liderahenk 3.4.0版本至3.5.5之前版本存在输入验证错误漏洞，该漏洞源于LDAP查询中使用的特殊元素中和不当，容易受到LDAP注入攻击。
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
TÜBİTAK BİLGEM Software Technologies Research Institute Liderahenk 3.4.0 ~ 3.5.5 -

II. Public POCs for CVE-2026-19271

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III. Intelligence Information for CVE-2026-19271

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Vendor Advisories for CVE-2026-19271 (1)

IV. Related Vulnerabilities

Same product: Liderahenk
Same vendor: TÜBİTAK BİLGEM Software Technologies Research Institute
Same weakness: CWE-90

V. Comments for CVE-2026-19271

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