# CVE-2026-54419: PIAF-HMS multiple unauthenticated SQL injection vulnerabilities via mysql_query

> Unauthenticated attackers can execute arbitrary SQL commands via unsanitized HTTP parameters in PIAF-HMS, leading to data exposure or modification.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Jun 2026
- **Updated:** 10 Aug 2026
- **Also known as:** GHSA-733h-q99j-37gc

## What is CVE-2026-54419?

CVE-2026-54419 is a critical SQL injection vulnerability in claudiopizzillo PIAF-HMS, published on 18 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

claudiopizzillo PIAF-HMS (PBX-In-A-Flash Hotel Management System; no released versions, latest commit 389d2633441b65ced1c104212cd62be2bfca21e5) contains multiple unauthenticated SQL injection vulnerabilities. The application has no authentication mechanism and passes user-supplied HTTP parameters directly into deprecated mysql_query calls via string concatenation, without sanitization, escaping, or parameterization.

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

## Which versions are affected by CVE-2026-54419?


## How do I fix CVE-2026-54419?

No fix has been published for CVE-2026-54419 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-54419 being exploited?

There is no known exploitation of CVE-2026-54419 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-54419 and fix it if it is affected.

What it is: CVE-2026-54419 is a critical SQL injection vulnerability in claudiopizzillo PIAF-HMS, published on 18 Jun 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-2026-54419 in the wild and no public exploit code.

Affected product: claudiopizzillo PIAF-HMS. 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-2026-54419/ (Markdown: https://insights.sbomify.com/CVE-2026-54419/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-54419
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-54419
- OSV: https://osv.dev/vulnerability/CVE-2026-54419

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-54419/
Summaries are generated and may contain mistakes; the official description above is the record.