What is CVE-2025-5261?

CVE-2025-5261 is a high-severity vulnerability in Pik Online Yazılım Çözümleri A.ş., classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2025-08-20.

How severe is CVE-2025-5261?

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

Auth bypass in Pik Online Yazılım Çözümleri A.ş.

CVE-2025-5261

Authorization Bypass Through User-Controlled Key vulnerability in Pik Online Yazılım Çözümleri A.Ş. Pik Online allows Exploitation of Trusted Identifiers. This issue affects Pik Online: before 3.1.5.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Pik Online Yazılım Çözümleri A.ş. — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

iletisim@usom.gov.tr (government-resource, broken-link)
iletisim@usom.gov.tr (government-resource)

Frequently asked questions

What is CVE-2025-5261?: CVE-2025-5261 is a high-severity vulnerability in Pik Online Yazılım Çözümleri A.ş., classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2025-08-20.
How severe is CVE-2025-5261?: High severity. CVSS v3 base score is 7.5 out of 10.