Vulnerability in Tubitak Bilgem Software Technologies Research Institute Pardus Update
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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Tubitak Bilgem Software Technologies Research Institute Pardus Update — versions <=0.6.4, 0.6.3
Weakness classification (CWE)
References
- www.usom.gov.tr/bildirim/tr-26-0131 (government-resource, broken-link, third-party-advisory)
- siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0131 (government-resource)
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.