What is CVE-2026-2339?

CVE-2026-2339 is a high-severity vulnerability in Tubitak Bilgem Software Technologies Research Institute Liderahenk, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-03-10.

How severe is CVE-2026-2339?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Tubitak Bilgem Software Technologies Research Institute Liderahenk

CVE-2026-2339

Missing Authentication for Critical Function vulnerability in TUBITAK BILGEM Software Technologies Research Institute Liderahenk allows Remote Code Inclusion, Privilege Abuse, Command Injection. This issue affects Liderahenk: before 3.5.1.

Vulnerability class: Broken Authentication

Published 2026-03-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Tubitak Bilgem Software Technologies Research Institute Liderahenk — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.usom.gov.tr/bildirim/tr-26-0087 (government-resource, broken-link, third-party-advisory)
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0087 (government-resource)

Frequently asked questions

What is CVE-2026-2339?: CVE-2026-2339 is a high-severity vulnerability in Tubitak Bilgem Software Technologies Research Institute Liderahenk, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-03-10.
How severe is CVE-2026-2339?: High severity. CVSS v3 base score is 7.5 out of 10.