What is CVE-2026-26746?

CVE-2026-26746 is a high-severity vulnerability in Opensourcepos Open_source_point_of_sale, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-02-20.

How severe is CVE-2026-26746?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2026-26746 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Opensourcepos Open_source_point_of_sale

CVE-2026-26746

OpenSourcePOS 3.4.1 contains a Local File Inclusion (LFI) vulnerability in the Sales.php::getInvoice() function. An attacker can read arbitrary files on the web server by manipulating the Invoice Type configuration. This issue can be chain…

Vulnerability class: Unrestricted File Upload

EPSS: 0.006 (43.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Opensourcepos Open_source_point_of_sale — versions 3.4.1
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

hungnqdz/CVE-2026-26746

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2026-26746?: CVE-2026-26746 is a high-severity vulnerability in Opensourcepos Open_source_point_of_sale, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-02-20.
How severe is CVE-2026-26746?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2026-26746 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.