How severe is CVE-2026-5140?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Tubitak Bilgem Software Technologies Research Institute Pardus Update

Q: What is CVE-2026-5140?

CVE-2026-5140 is a high-severity vulnerability in Tubitak Bilgem Software Technologies Research Institute Pardus Update, classified under CRLF Injection. CVSS score: 8.8/10. Published 2026-04-29.

CVE-2026-5140

Improper neutralization of CRLF sequences ('CRLF injection') vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Update allows Authentication Bypass. This issue affects Pardus Update: from 0.6.3 before 0.6.4.

Vulnerability class: CRLF Injection

EPSS: 0.001 (16.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Tubitak Bilgem Software Technologies Research Institute Pardus Update — versions <=0.6.4, 0.6.3

Weakness classification (CWE)

CWE-93 — CRLF Injection

References

iletisim@usom.gov.tr (third-party-advisory)

Frequently asked questions

What is CVE-2026-5140?: CVE-2026-5140 is a high-severity vulnerability in Tubitak Bilgem Software Technologies Research Institute Pardus Update, classified under CRLF Injection. CVSS score: 8.8/10. Published 2026-04-29.
How severe is CVE-2026-5140?: High severity. CVSS v3 base score is 8.8 out of 10.