CVE-2026-86405 Payment Validation Bypass in Sipay Electronic Money's SanalPos PrestaShop

Critical 9.8 Published Updated

Attackers can bypass payment validation by spoofing cryptographic signatures in the Sipay PrestaShop module, allowing unauthorized transactions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-86405?

CVE-2026-86405 is a critical vulnerability in Sipay Electronic Money and Payment Services Inc. PrestaShop Virtual POS Module, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

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.

Weakness: CWE-347

Which versions are affected by CVE-2026-86405?

How do I fix CVE-2026-86405?

No fix has been published for CVE-2026-86405 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-86405 being exploited?

There is no known exploitation of CVE-2026-86405 in the wild and no public exploit code.

Sources

Also known as GHSA-7px9-f7pg-h379.

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