# CVE-2026-26746: Path traversal in n/a

> Attackers can read arbitrary files via Local File Inclusion in OpenSourcePOS, potentially achieving remote code execution by chaining with file upload.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Feb 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-8p85-wjp4-3w4m

## What is CVE-2026-26746?

CVE-2026-26746 is a high-severity path traversal vulnerability in n/a, published on 20 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### 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).

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2026-26746?

It affects 1 product.


Products: Opensourcepos Open Source Point of Sale.

## How do I fix CVE-2026-26746?

No fix has been published for CVE-2026-26746 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-26746 being exploited?

There is no known exploitation of CVE-2026-26746 in the wild and no public exploit code.

Public exploit code:

- https://github.com/hungnqdz/CVE-2026-26746 (github_poc): https://github.com/hungnqdz/CVE-2026-26746

## Other vulnerabilities in n/a

- [CVE-2026-32888](https://insights.sbomify.com/CVE-2026-32888/): Open Source Point of Sale is Vulnerable to SQL Injection Through its Item Search Functionality (high 8.8)
- [CVE-2025-68434](https://insights.sbomify.com/CVE-2025-68434/): opensourcepos has Cross-Site Request Forgery vulnerability that leads to Unauthorized Administrator Creation (high 8.8)
- [CVE-2025-68147](https://insights.sbomify.com/CVE-2025-68147/): opensourcepos has a Cross-site Scripting vulnerability (high 8.1)
- [CVE-2025-63800](https://insights.sbomify.com/CVE-2025-63800/): Auth bypass in n/a (high 7.5)
- [CVE-2025-70093](https://insights.sbomify.com/CVE-2025-70093/): Command injection in n/a (high 7.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-26746 and fix it if it is affected.

What it is: CVE-2026-26746 is a high-severity path traversal vulnerability in n/a, published on 20 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-26746 in the wild and no public exploit code.

Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-26746/ (Markdown: https://insights.sbomify.com/CVE-2026-26746/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-26746
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-26746
- OSV: https://osv.dev/vulnerability/CVE-2026-26746

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-26746/
Summaries are generated and may contain mistakes; the official description above is the record.