# CVE-2026-3843: SQL Injection in Nefteprodukttekhnika BUK TS-G Allows Remote Code Execution

> Remote attackers can execute arbitrary SQL commands and potentially achieve remote code execution via the system configuration module.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Mar 2026
- **Updated:** 10 Aug 2026
- **Also known as:** GHSA-qw28-fg2g-m9gh

## What is CVE-2026-3843?

CVE-2026-3843 is a critical SQL injection vulnerability in Nefteprodukttekhnika LLC BUK TS-G Gas Station Automation System, published on 10 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Nefteprodukttekhnika BUK TS-G Gas Station Automation System 2.9.1 on Linux contains a SQL Injection vulnerability (CWE-89) in the system configuration module. A remote attacker can send specially crafted HTTP POST requests to the /php/request.php endpoint via the sql parameter in application/x-www-form-urlencoded data (e.g., action=do&sql=<query_here>&reload_driver=0) to execute arbitrary SQL commands and potentially achieve remote code execution.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2026-3843?

It affects 1 product.


Products: Bukts Buk Ts-G Gas Station Automation System.

## How do I fix CVE-2026-3843?

No fix has been published for CVE-2026-3843 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-3843 being exploited?

There is no known exploitation of CVE-2026-3843 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-3843 and fix it if it is affected.

What it is: CVE-2026-3843 is a critical SQL injection vulnerability in Nefteprodukttekhnika LLC BUK TS-G Gas Station Automation System, published on 10 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-3843 in the wild and no public exploit code.

Affected product: Nefteprodukttekhnika LLC BUK TS-G Gas Station Automation System. 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-2026-3843/ (Markdown: https://insights.sbomify.com/CVE-2026-3843/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-3843
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3843
- OSV: https://osv.dev/vulnerability/CVE-2026-3843

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-3843/
Summaries are generated and may contain mistakes; the official description above is the record.