CVE-2026-19271 PUBLISHED

Blind LDAP Injection in Sign-In Endpoint in TÜBİTAK BİLGEM's Liderahenk

Assigner: TR-CERT
Reserved: 07.08.2026 Published: 26.08.2026 Updated: 26.08.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	TÜBİTAK BİLGEM Software Technologies Research Institute
Product	Liderahenk
Versions	Default: unaffected affected from 3.4.0 to 3.5.5 (excl.)

Credits

Emre DOĞAN finder

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0916

Problem Types

CWE-90 Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') CWE

Impacts

CAPEC-136 LDAP Injection