# CVE-2025-6504: Possibilities of IP Spoofing via X-Forwarded-For (XFF) Header

> Attackers can bypass IP whitelisting restrictions by spoofing the X-Forwarded-For header, though valid credentials are still required for access.

- **Severity:** High 8.4 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 29 Jul 2025
- **Updated:** 29 Jul 2025
- **Also known as:** GHSA-8547-8823-m279

## What is CVE-2025-6504?

CVE-2025-6504 is a high-severity vulnerability in Progress Software Hybrid Data Pipeline, published on 29 Jul 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

In HDP Server versions below 4.6.2.2978 on Linux, unauthorized access could occur via IP spoofing using the X-Forwarded-For header. 

Since XFF is a client-controlled header, it could be spoofed, allowing unauthorized access if the spoofed IP matched a whitelisted range.

This vulnerability could be exploited to bypass IP restrictions, though valid user credentials would still be required for resource access.

Weakness: CWE-345 (Insufficient Verification of Data Authenticity)

## Which versions are affected by CVE-2025-6504?

It affects 1 product.


Products: Progress Hybrid Data Pipeline.

## How do I fix CVE-2025-6504?

No fix has been published for CVE-2025-6504 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-6504 being exploited?

There is no known exploitation of CVE-2025-6504 in the wild and no public exploit code.

## Other vulnerabilities in Progress Software Hybrid Data Pipeline

- [CVE-2025-6505](https://insights.sbomify.com/CVE-2025-6505/): Auth bypass in Hybrid Data Pipeline (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-6504 and fix it if it is affected.

What it is: CVE-2025-6504 is a high-severity vulnerability in Progress Software Hybrid Data Pipeline, published on 29 Jul 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-6504 in the wild and no public exploit code.

Affected product: Progress Software Hybrid Data Pipeline. 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-2025-6504/ (Markdown: https://insights.sbomify.com/CVE-2025-6504/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-6504
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-6504
- OSV: https://osv.dev/vulnerability/CVE-2025-6504

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-6504/
Summaries are generated and may contain mistakes; the official description above is the record.