Secuno
ENNL
Book demo

CVE-2026-26746

Opensourcepos Open Source Point Of Sale remote code execution

8.8 HIGHPublic exploitEPSS 0.84%
  1. Published20 Feb 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
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 Sale3.4.1

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1040289.8
The Anton Extensions WordPress plugin through 1.2.2 does not perform any capability…
CVE-2026-621299.9
Contributor Arbitrary File Upload in Creator LMS <= 1.2.21…
CVE-2026-620259.0
Unauthenticated Arbitrary File Upload in Tailored Tools <= 3.0.3…
CVE-2026-620249.9
Subscriber Arbitrary File Upload in CodeBard Help Desk <= 1.1.2…
CVE-2026-835268.8
The FV Player 8 plugin for WordPress is vulnerable to Arbitrary File Upload in all…
CVE-2026-1038899.8
The 3D Product configurator for WooCommerce plugin for WordPress is vulnerable to…

Frequently asked

Is CVE-2026-26746 being actively exploited?

CVE-2026-26746 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.84%.

How severe is CVE-2026-26746?

CVE-2026-26746 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.84% probability of exploitation.

Which products are affected by CVE-2026-26746?

Affected products include Opensourcepos Open Source Point Of Sale.

How do I fix CVE-2026-26746?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-26746 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.