What is CVE-2026-55219?

CVE-2026-55219 is a medium-severity vulnerability in Paymenter, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.3/10. Published 2026-07-20.

How severe is CVE-2026-55219?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Paymenter

CVE-2026-55219

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.5, the credit payment implementation in app/Livewire/Invoices/Show.php executes a pessimistic row lock (lockForUpdate()) outs…

Vulnerability class: Race Condition

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Paymenter — versions < 1.5.5

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-55219?: CVE-2026-55219 is a medium-severity vulnerability in Paymenter, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.3/10. Published 2026-07-20.
How severe is CVE-2026-55219?: Medium severity. CVSS v3 base score is 5.3 out of 10.