High severity8.8NVD Advisory· Published Feb 20, 2026· Updated Jun 17, 2026

CVE-2026-26746

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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Opensourcepos/Open Source Point Of Sale
cpe:2.3:a:opensourcepos:open_source_point_of_sale:3.4.1:*:*:*:*:*:*:*
Opensourcepos/Opensourceposcpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: = 3.4.1

Patches

Vulnerability mechanics

References

github.com/hungnqdz/CVE-2026-26746/blob/main/CVE-2026-26746.mdnvdExploitMitigationThird Party Advisory

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