# CVE-2025-34134: Nagios XI < 2024R1.4.2 RCE via Business Process Intelligence (BPI)

> Authenticated administrators can execute arbitrary code by manipulating BPI configuration parameters to write executable files to the webroot.

- **Severity:** Critical 9.4 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Oct 2025
- **Updated:** 30 Sep 2026
- **Also known as:** GHSA-7h56-968g-xcq3

## What is CVE-2025-34134?

CVE-2025-34134 is a critical code injection vulnerability in Nagios Nagios Xi, published on 30 Oct 2025. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Nagios XI versions prior to 2024R1.4.2 contain a remote code execution vulnerability in the Business Process Intelligence (BPI) component. Insufficient validation and sanitization of administrator-controlled BPI configuration parameters (notably bpi_logfile and bpi_configfile) allow an authenticated administrative user to cause the product to create or overwrite files within the webroot and subsequently edit them via the BPI configuration editor. When such files carry executable extensions and are served by the web application, arbitrary code may be executed in the context of the web application user. Successful exploitation results in arbitrary command execution with the privileges of the Nagios XI web application user and can be leveraged to gain further control of the underlying host operating system.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2025-34134?

It affects 1 product.


Products: Nagios Nagios Xi.

## How do I fix CVE-2025-34134?

No fix has been published for CVE-2025-34134 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-34134 being exploited?

There is no known exploitation of CVE-2025-34134 in the wild and no public exploit code.

## Other vulnerabilities in Nagios Nagios Xi

- [CVE-2021-25296](https://insights.sbomify.com/CVE-2021-25296/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2021-25297](https://insights.sbomify.com/CVE-2021-25297/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2021-25298](https://insights.sbomify.com/CVE-2021-25298/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2019-15949](https://insights.sbomify.com/CVE-2019-15949/): Nagios XI Remote Code Execution (high 8.8, exploited in the wild)
- [CVE-2024-24401](https://insights.sbomify.com/CVE-2024-24401/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-34134 and fix it if it is affected.

What it is: CVE-2025-34134 is a critical code injection vulnerability in Nagios Nagios Xi, published on 30 Oct 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-34134 in the wild and no public exploit code.

Affected product: Nagios Nagios Xi. 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-2025-34134/ (Markdown: https://insights.sbomify.com/CVE-2025-34134/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-34134
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-34134
- OSV: https://osv.dev/vulnerability/CVE-2025-34134

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-34134/
Summaries are generated and may contain mistakes; the official description above is the record.