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CVE-2026-26746

HIGH
8.8
CVSS Score
Published: February 20, 2026 at 12:00 AM UTC
Updated: June 17, 2026 at 10:26 AM UTC
2 products affected across 1 vendorOpen Source Point of SaleOpen Source Point of Sale (OpenSourcePOS)

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Product
Source: cverecord
https://github.com/opensourcepos/opensourcepos
ExploitMitigationThird Party Advisory
Source: cverecord
https://github.com/hungnqdz/CVE-2026-26746/blob/main/CVE-2026-26746.md

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-434

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