CVE-2026-26746

CVE-2026-26746 is a high-severity vulnerability in Opensourcepos Open Source Point Of Sale with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

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).

Frequently asked questions

What is 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 chained with the file upload functionality to achieve Remote Code Execution (RCE).
How severe is CVE-2026-26746?
CVE-2026-26746 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26746 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26746?
CVE-2026-26746 affects Opensourcepos Open Source Point Of Sale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26746?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26746 have an EU (EUVD) identifier?
Yes. CVE-2026-26746 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7501.
When was CVE-2026-26746 published?
CVE-2026-26746 was published on 2026-02-20 and last updated on 2026-06-17.

References

Affected products (1)

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