# CVE-2019-19006: Sangoma FreePBX Improper Authentication

> Attackers can bypass authentication controls in FreePBX, potentially gaining unauthorized access to the system.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Yes, since 3 Feb 2026 (CISA KEV)
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Nov 2019
- **Updated:** 3 Feb 2026
- **Also known as:** GHSA-85h5-chmw-697j

## What is CVE-2019-19006?

CVE-2019-19006 is a critical authentication bypass vulnerability in Sangoma Freepbx, published on 21 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Sangoma FreePBX 115.0.16.26 and below, 14.0.13.11 and below, 13.0.197.13 and below have Incorrect Access Control.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2019-19006?

It affects 1 product.


Products: Sangoma Freepbx.

## How do I fix CVE-2019-19006?

No fix has been published for CVE-2019-19006 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 24 Feb 2026.

## Is CVE-2019-19006 being exploited?

Yes. Attackers have exploited CVE-2019-19006 in the wild since at least 3 Feb 2026.

## Other vulnerabilities in Sangoma Freepbx

- [CVE-2025-57819](https://insights.sbomify.com/CVE-2025-57819/): Sangoma FreePBX Authentication Bypass (critical 10.0, exploited in the wild)
- [CVE-2026-73663](https://insights.sbomify.com/CVE-2026-73663/): FreePBX: Unauthenticated SQL injection in FreePBX missedcall via inbound Caller ID name leads to administrator takeover (critical 9.3)
- [CVE-2026-73665](https://insights.sbomify.com/CVE-2026-73665/): FreePBX UCP: Unauthenticated remote code execution via socket.io namespace auth bypass and AMI action injection (critical 9.3)
- [CVE-2026-46376](https://insights.sbomify.com/CVE-2026-46376/): FreePBX: Unauthenticated Use of Hard-Coded Credentials Vulnerability in FreePBX UCP Interface (critical 9.3)
- [CVE-2025-66039](https://insights.sbomify.com/CVE-2025-66039/): FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-19006 and fix it if it is affected.

What it is: CVE-2019-19006 is a critical authentication bypass vulnerability in Sangoma Freepbx, published on 21 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: Yes. Attackers have exploited CVE-2019-19006 in the wild since at least 3 Feb 2026.

Affected product: Sangoma Freepbx. 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-2019-19006/ (Markdown: https://insights.sbomify.com/CVE-2019-19006/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-19006
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-19006
- OSV: https://osv.dev/vulnerability/CVE-2019-19006

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-19006/
Summaries are generated and may contain mistakes; the official description above is the record.