HOMEVULNERABILITIESCVE-2026-26746
HIGH

CVE-2026-26746

Published: February 20, 2026· Updated: Feb 24, 2026

8.8
CVSS v3.1
EPSS:0.21%probability of exploitation in 30 daysPercentile:43.1th

Official 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).

NVD Source

Technical Analysis

CVE-2026-26746 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

opensourcepos1 product
open source point of sale
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/hungnqdz/CVE-2026-26746/blob/main/CVE-2026-26746.md

All References (2)

→
https://github.com/hungnqdz/CVE-2026-26746/blob/main/CVE-2026-26746.mdExploit · Mitigation · Third Party Advisory
→
https://github.com/opensourcepos/opensourceposProduct

Quick Facts

CVE IDCVE-2026-26746
CVSS Score8.8 / 10
SeverityHIGH
CISA KEVNo
EPSS (30d)0.21%
Affected1 vendor
PublishedFeb 20, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-26746 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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