# CVE-2026-11820: Information disclosure in Red Hat Enterprise Linux 10

> The Ansible nexmo module exposes API credentials in URL query strings, allowing attackers with log access to steal credentials and hijack accounts.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:** 23 Jun 2026
- **Updated:** 25 Jun 2026
- **Also known as:** GHSA-87gp-wmhr-wgcw

## What is CVE-2026-11820?

CVE-2026-11820 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 23 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A flaw was found in the community.general Ansible collection's nexmo module.
The module constructs HTTP requests to the Vonage/Nexmo SMS API by encoding
API credentials (api_key and api_secret) into URL query parameters and
sending them via GET requests. This causes credentials to be exposed in web
server access logs, proxy logs, HTTP Referer headers, and network monitoring
tools, despite the Ansible argument specification marking these parameters
as no_log. An attacker with access to any of these logging or monitoring
points can obtain the full API credentials and gain unauthorized access to
the victim's Vonage/Nexmo account.

Weakness: CWE-532 (Insertion of Sensitive Information into Log File)

## Which versions are affected by CVE-2026-11820?

It affects 1 product.


Products: Redhat Enterprise Linux.

## How do I fix CVE-2026-11820?

No fix has been published for CVE-2026-11820 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-11820 being exploited?

There is no known exploitation of CVE-2026-11820 in the wild and no public exploit code.

## Other vulnerabilities in Redhat Enterprise Linux

- [CVE-2018-14667](https://insights.sbomify.com/CVE-2018-14667/): Red Hat JBoss RichFaces Framework Expression Language Injection (critical 9.8, exploited in the wild)
- [CVE-2021-20325](https://insights.sbomify.com/CVE-2021-20325/): Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a securit (critical 9.8)
- [CVE-2018-25011](https://insights.sbomify.com/CVE-2018-25011/): Memory corruption in libwebp (critical 9.8)
- [CVE-2018-25014](https://insights.sbomify.com/CVE-2018-25014/): Other in libwebp (critical 9.8)
- [CVE-2014-3585](https://insights.sbomify.com/CVE-2014-3585/): Supply chain in redhat-upgrade-tool (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-11820 and fix it if it is affected.

What it is: CVE-2026-11820 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 23 Jun 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-2026-11820 in the wild and no public exploit code.

Affected product: Redhat Enterprise Linux. 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-2026-11820/ (Markdown: https://insights.sbomify.com/CVE-2026-11820/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-11820
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11820
- OSV: https://osv.dev/vulnerability/CVE-2026-11820

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-11820/
Summaries are generated and may contain mistakes; the official description above is the record.