# CVE-2026-18198: SQL Injection in TAC Information's GoldenHorn

> Attackers can perform blind SQL injection in GOLDENHORN ONEIT to read sensitive data, requiring an upgrade to the Göbeklitepe version.

- **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:** 4 Sep 2026
- **Updated:** 4 Sep 2026
- **Also known as:** GHSA-mccf-v8pf-76jg

## What is CVE-2026-18198?

CVE-2026-18198 is a high-severity SQL injection vulnerability in TAC Information Services Internal and External Trade Inc. GOLDENHORN ONEIT, published on 4 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in TAC Information Services Internal and External Trade Inc. GOLDENHORN ONEIT allows Blind SQL Injection.

This issue affects GOLDENHORN ONEIT: before Göbeklitepe.

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

## Which versions are affected by CVE-2026-18198?


## How do I fix CVE-2026-18198?

No fix has been published for CVE-2026-18198 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-18198 being exploited?

There is no known exploitation of CVE-2026-18198 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-18198 and fix it if it is affected.

What it is: CVE-2026-18198 is a high-severity SQL injection vulnerability in TAC Information Services Internal and External Trade Inc. GOLDENHORN ONEIT, published on 4 Sep 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-2026-18198 in the wild and no public exploit code.

Affected product: TAC Information Services Internal and External Trade Inc. GOLDENHORN ONEIT. 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-2026-18198/ (Markdown: https://insights.sbomify.com/CVE-2026-18198/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-18198
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-18198
- OSV: https://osv.dev/vulnerability/CVE-2026-18198

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-18198/
Summaries are generated and may contain mistakes; the official description above is the record.