What is CVE-2026-33730?

CVE-2026-33730 is a medium-severity vulnerability in Opensourcepos, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-03-27.

How severe is CVE-2026-33730?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Opensourcepos

CVE-2026-33730

Open Source Point of Sale (opensourcepos) is a web based point of sale application written in PHP using CodeIgniter framework. Prior to version 3.4.2, an Insecure Direct Object Reference (IDOR) vulnerability allows an authenticated low-pri…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.000 (3.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Opensourcepos — versions < 3.4.2

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

https://github.com/opensourcepos/opensourcepos/security/advisories/GHSA-mcc2-8rp2-q6ch (x_refsource_CONFIRM)
https://github.com/opensourcepos/opensourcepos/commit/ee4d44ed396097d6010c5490ab4fd7cfae694624 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33730?: CVE-2026-33730 is a medium-severity vulnerability in Opensourcepos, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-03-27.
How severe is CVE-2026-33730?: Medium severity. CVSS v3 base score is 6.5 out of 10.