Vulnerability details

CVE-2026-86405

Sipay Electronic Money and Payment Services PrestaShop Virtual POS Module

Payment Validation Bypass in Sipay Electronic Money's SanalPos PrestaShop

CVSS 3.1

9.8Critical

Official description

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.

CVSS scores

Score	Version	Source	Vector
9.8Critical	3.1	CVEProject cvelistV5 (CNA) (TR-CERT)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
Sipay Electronic Money and Payment Services Inc.	PrestaShop Virtual POS Module	26.8.1 ≤ v < 26.9.1	CVEProject cvelistV5 (CNA)

References and advisories

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1287 government-resource

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Details

Published: 2026-10-09
Last updated: 2026-10-13
State: Published
Assigner (CNA): TR-CERT

Exploit prediction (EPSS)

0.2%

Probability of exploitation in 30 days

10%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-347
Improper verification of cryptographic signature