# CVE-2026-19231: SourceCodester Simple Doctors Appointment System ajax.php delete_appointment sql injection

> Remote attackers can exploit SQL injection in the delete_appointment function to read or modify database records.

- **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:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Aug 2026
- **Updated:** 10 Aug 2026
- **Also known as:** GHSA-6xff-q3mm-r426

## What is CVE-2026-19231?

CVE-2026-19231 is a medium-severity SQL injection vulnerability in SourceCodester Simple Doctors Appointment System, published on 7 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A security flaw has been discovered in SourceCodester Simple Doctors Appointment System 1.0. This vulnerability affects unknown code of the file /admin/ajax.php?action=delete_appointment. The manipulation of the argument ID results in sql injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

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-2026-19231?


## How do I fix CVE-2026-19231?

No fix has been published for CVE-2026-19231 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-19231 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19231 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-19231 and fix it if it is affected.

What it is: CVE-2026-19231 is a medium-severity SQL injection vulnerability in SourceCodester Simple Doctors Appointment System, published on 7 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19231 exists.

Affected product: SourceCodester Simple Doctors Appointment 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-2026-19231/ (Markdown: https://insights.sbomify.com/CVE-2026-19231/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-19231
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-19231
- OSV: https://osv.dev/vulnerability/CVE-2026-19231

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-19231/
Summaries are generated and may contain mistakes; the official description above is the record.