CVE-2026-85531CWE-347

CVE-2026-85531

Critical · published October 9, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
9.5
In the wild
Unconfirmed
What it is

Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc. OpenCart Virtual POS Module allows Signature Spoofing by Improper Validation.

This issue affects OpenCart Virtual POS Module: from 26.8.2 before 26.9.1.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00201 · 9.5th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-10-09T17:17Z
References (1)
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1286 · [email protected]
EPSS history
Timeline
  • 11 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 09 OCT 12:28Z
    Payment Validation Bypass in Sipay Electronic Money's OpenCart 3.x
    cvelistv5
  • 09 OCT 12:28Z
    Payment Validation Bypass in Sipay Electronic Money's OpenCart 3.x
    cvelistv5