# CVE-2026-76438: Cisco BroadWorks CommPilot Application Software Authorization Bypass Vulnerability

> An authenticated low-privilege attacker can alter configurations on select pages due to missing authorization checks in the web interface.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **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:** 16 Sep 2026
- **Updated:** 17 Sep 2026
- **Also known as:** GHSA-mw9j-8jg3-ch52

## What is CVE-2026-76438?

CVE-2026-76438 is a medium-severity missing authorization vulnerability in Cisco BroadWorks, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability in the web-based management interface of Cisco BroadWorks CommPilot Application Software could allow an authenticated, remote attacker with low privileges to alter configurations on an affected device.

This vulnerability is due to missing authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request. A successful exploit could allow the attacker to alter configurations on select pages.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2026-76438?


## How do I fix CVE-2026-76438?

No fix has been published for CVE-2026-76438 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-76438 being exploited?

There is no known exploitation of CVE-2026-76438 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-76438 and fix it if it is affected.

What it is: CVE-2026-76438 is a medium-severity missing authorization vulnerability in Cisco BroadWorks, published on 16 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-2026-76438 in the wild and no public exploit code.

Affected product: Cisco BroadWorks. 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-2026-76438/ (Markdown: https://insights.sbomify.com/CVE-2026-76438/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-76438
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-76438
- OSV: https://osv.dev/vulnerability/CVE-2026-76438

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-76438/
Summaries are generated and may contain mistakes; the official description above is the record.