# CVE-2026-2173: code-projects Online Examination System login.php sql injection

> Remote attackers can exploit SQL injection in the login form to bypass authentication and access sensitive data.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Feb 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-3757-h5gm-6pj5

## What is CVE-2026-2173?

CVE-2026-2173 is a medium-severity SQL injection vulnerability in code-projects Online Examination System, published on 8 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was identified in code-projects Online Examination System 1.0. Affected by this issue is some unknown functionality of the file login.php. The manipulation of the argument username/password leads to sql injection. The attack may be initiated remotely.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-2173?

It affects 1 product.


Products: Fabian Online Examination System.

## How do I fix CVE-2026-2173?

No fix has been published for CVE-2026-2173 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-2173 being exploited?

There is no known exploitation of CVE-2026-2173 in the wild and no public exploit code.

## Other vulnerabilities in code-projects Online Examination System

- [CVE-2026-1422](https://insights.sbomify.com/CVE-2026-1422/): code-projects Online Examination System Login Page index.php sql injection (medium 6.9)
- [CVE-2026-1423](https://insights.sbomify.com/CVE-2026-1423/): code-projects Online Examination System admin_pic.php unrestricted upload (medium 5.3)
- [CVE-2026-1421](https://insights.sbomify.com/CVE-2026-1421/): code-projects Online Examination System Add Pages cross site scripting (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-2173 and fix it if it is affected.

What it is: CVE-2026-2173 is a medium-severity SQL injection vulnerability in code-projects Online Examination System, published on 8 Feb 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-2026-2173 in the wild and no public exploit code.

Affected product: code-projects Online Examination 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-2026-2173/ (Markdown: https://insights.sbomify.com/CVE-2026-2173/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-2173
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-2173
- OSV: https://osv.dev/vulnerability/CVE-2026-2173

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-2173/
Summaries are generated and may contain mistakes; the official description above is the record.