# CVE-2026-78021: Information disclosure in Secure Connect Gateway (SCG) Policy Manager

> An unauthenticated remote attacker can exploit an error message generation flaw in Dell SCG Policy Manager to disclose sensitive information.

- **Severity:** Low 3.7 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Oct 2026
- **Updated:** 14 Oct 2026
- **Also known as:** GHSA-8whr-8ww5-5mgm

## What is CVE-2026-78021?

CVE-2026-78021 is a low-severity vulnerability in Dell Secure Connect Gateway (SCG) Policy Manager, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains a Generation of Error Message Containing Sensitive Information vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure and Information exposure.

Weakness: CWE-209 (Generation of Error Message Containing Sensitive Information)

## Which versions are affected by CVE-2026-78021?

It affects 1 product.


Products: Dell Policy Manager for Secure Connect Gateway.

## How do I fix CVE-2026-78021?

No fix has been published for CVE-2026-78021 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-78021 being exploited?

There is no known exploitation of CVE-2026-78021 in the wild and no public exploit code.

## Other vulnerabilities in Dell Secure Connect Gateway (SCG) Policy Manager

- [CVE-2022-34462](https://insights.sbomify.com/CVE-2022-34462/): Hardcoded credentials in Secure Connect Gateway (SCG) Policy Manager (high 8.4)
- [CVE-2022-34440](https://insights.sbomify.com/CVE-2022-34440/): Hardcoded credentials in Secure Connect Gateway (SCG) Policy Manager (high 8.4)
- [CVE-2024-24903](https://insights.sbomify.com/CVE-2024-24903/): Auth bypass in Secure Connect Gateway (SCG) Policy Manager (high 8.0)
- [CVE-2022-34442](https://insights.sbomify.com/CVE-2022-34442/): Hardcoded credentials in Secure Connect Gateway (SCG) Policy Manager (high 8.0)
- [CVE-2022-34441](https://insights.sbomify.com/CVE-2022-34441/): Hardcoded credentials in Secure Connect Gateway (SCG) Policy Manager (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-78021 and fix it if it is affected.

What it is: CVE-2026-78021 is a low-severity vulnerability in Dell Secure Connect Gateway (SCG) Policy Manager, published on 9 Oct 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-2026-78021 in the wild and no public exploit code.

Affected product: Dell Secure Connect Gateway (SCG) Policy Manager. 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-2026-78021/ (Markdown: https://insights.sbomify.com/CVE-2026-78021/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-78021
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-78021
- OSV: https://osv.dev/vulnerability/CVE-2026-78021

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-78021/
Summaries are generated and may contain mistakes; the official description above is the record.