Vulnerability in Sipay Electronic Money And Payment Services Inc. Prestashop Virtual Pos Module
CVE-2026-86405
Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc. PrestaShop Virtual POS Module allows Signature Spoofing by Improper Validation. This issue affects PrestaShop Virtual POS Module: from 26.8.1 before 26.9.1.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1287 (government-resource)
Frequently asked questions
- What is CVE-2026-86405?
- CVE-2026-86405 is a critical-severity vulnerability in Sipay Electronic Money And Payment Services Inc. Prestashop Virtual Pos Module, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2026-10-09.
- How severe is CVE-2026-86405?
- Critical severity. CVSS v3 base score is 9.8 out of 10.