How severe is CVE-2026-19271?

CVE-2026-19271 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-19271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-19271?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-19271 published?

CVE-2026-19271 was published on 2026-08-26.

CVE-2026-19271

CVE-2026-19271 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-90.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-90
Published: 2026-08-26
Last modified: 2026-08-26

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.

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.
How severe is CVE-2026-19271?: CVE-2026-19271 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-19271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-19271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-19271 published?: CVE-2026-19271 was published on 2026-08-26.

References

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

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