CVE-2026-26746 — HIGH (8.8)

Vulnerability Description

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 chained with the file upload functionality to achieve Remote Code Execution (RCE).

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Opensourcepos	Open Source Point Of Sale	3.4.1

Related Weaknesses (CWE)

CWE-434

References

https://github.com/hungnqdz/CVE-2026-26746/blob/main/CVE-2026-26746.mdExploitMitigationThird Party Advisory
https://github.com/opensourcepos/opensourceposProduct

FAQ

What is CVE-2026-26746?

CVE-2026-26746 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...

How severe is CVE-2026-26746?

CVE-2026-26746 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-26746?

Check the references section above for vendor advisories and patch information. Affected products include: Opensourcepos Open Source Point Of Sale.