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    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).

    Published:Feb 20, 2026
    Last Modified:Apr 18, 2026
    EPS:Feb 20, 2026
    EPSS Score:0.0029
    CVSS Score:8.8

    Affected Products

    Vendor
    Opensourcepos
    Product
    Open Source Point Of Sale
    Vendor
    Opensourcepos
    Product
    Opensourcepos

    Exploits

    https://github.com/hungnqdz/CVE-2026-26746/blob/main/CVE-2026-26746.mdhttps://github.com/hungnqdz/CVE-2026-26746

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2026-19895 (CVSS 2.9) — A vulnerability was detected in opensourcepos Open Source Point of Sale up to 3.4.2. This affects the function…
    CVE-2026-8803 (CVSS 6.3) — A flaw has been found in opensourcepos Open Source Point of Sale up to 3.4.2. Impacted is the function Login o…
    CVE-2026-8802 (CVSS 5.3) — A vulnerability was detected in opensourcepos Open Source Point of Sale up to 3.4.2. This issue affects the fu…
    CVE-2026-32712 (CVSS 5.4) — Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework.…
    CVE-2026-39380 (CVSS 5.4) — Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework.…
    CVE-2026-33730 (CVSS 6.5) — Open Source Point of Sale (opensourcepos) is a web based point of sale application written in PHP using CodeIg…
    CVE-2026-32888 (CVSS 8.8) — Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework.…
    CVE-2026-26745 (CVSS 5.3) — OpenSourcePOS 3.4.1 has a second order SQL Injection vulnerability in the handling of the currency_symbol conf…
    CVE-2025-70094 (CVSS 6.5) — A cross-site scripting (XSS) vulnerability in the Generate Item Barcode function of OpenSourcePOS v3.4.1 allow…
    CVE-2025-70095 (CVSS 6.5) — A cross-site scripting (XSS) vulnerability in the item management and sales invoice function of OpenSourcePOS …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High