OpenSourcePOS 3.4.1 contains a Local File Inclusion (LFI) vulnerability in the…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.
Summary
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).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:opensourcepos:open_source_point_of_sale:3.4.1:*:*:*:*:*:*:* | 3.4.1 | Vulnerable | opensourcepos |
- cpe:2.3:a:opensourcepos:open_source_point_of_sale:3.4.1:*:*:*:*:*:*:* Versions 3.4.1 Vulnerable ·opensourcepos
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-26746
- 2026-10-03 Alias added: GHSA-8p85-wjp4-3w4m
References
More opensourcepos Open Source Point Of Sale vulnerabilities
- TI-2026-25347 Open Source Point of Sale is Vulnerable to SQL Injection Through its Item Search Functionality CVSS 3.1HIGH 8.8
- TI-2025-41982 opensourcepos has Cross-Site Request Forgery vulnerability that leads to Unauthorized Administrator Creation CVSS 3.1HIGH 8.8
- TI-2025-41728 opensourcepos has a Cross-site Scripting vulnerability CVSS 3.1HIGH 8.1
- TI-2025-43027 An issue in OpenSourcePOS v3.4.1 allows attackers to execute arbitrary code via returning a crafted AJAX response. CVSS 3.1HIGH 7.4
- TI-2025-41087 A Cross-site scripting (XSS) vulnerability in Create/Update Customer(s) in Open Source… CVSS 3.1HIGH 7.2
- TI-2025-41086 A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source… CVSS 3.1HIGH 7.2
Sources
- CVE-2026-26746 · CVE Program
- CVE-2026-26746 · NVD
- FIRST EPSS
- GHSA-8p85-wjp4-3w4m · GitHub Advisory Database · CC BY 4.0
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