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CVE-2026-86405

9.8, critical

Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
0.2% higher than 9.3% of scored CVEs
Exploitation
No public evidence
Published
9 Oct 20268 days ago

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.

Details

Vendor
Sipay Electronic Money and Payment Services Inc.
Product
PrestaShop Virtual POS Module
Weakness
CWE-347 (opens in a new tab)
Status
Deferred
Updated
9 Oct 2026
Assigner
iletisim@usom.gov.tr

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Sipay Electronic Money and Payment Services Inc. CVEs

Every Sipay Electronic Money and Payment Services Inc. CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-85531 Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc EPSS 0.2% 9.8, critical

Beyond this page

Is CVE-2026-86405 in your network?

This page tells you how dangerous CVE-2026-86405 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-86405 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.