CVE-2026-19271 (CVSS 7.5)

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.

Is your site exposed to CVE-2026-19271?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0030

Probability of exploitation

0.23%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-90 CWE-90

References

Other References

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

Frequently Asked Questions

What is CVE-2026-19271? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-19271? +

CVE-2026-19271 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0030, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-19271? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-49268

A remote attacker can inject LDAP special characters into the Distinguished Name (DN) construction in DefaultLdapRealm class. User-supplied username input …

CVE-2026-41573

Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, IdentityResourceV1.queryCollection() passes the _queryId parameter from /json/{realm}/users to …

CVE-2026-59652

In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.

CVE-2026-46619

Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, MSISDNValidation in the MSISDN authentication module concatenates the …

CVE-2026-53658

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, …

CVE-2024-54852 9.8

When LDAP connection is activated in Teedy versions between 1.9 to 1.12, the username field of the login form is …

CVE-2026-19271