# CVE-2026-90872: Server-Side Script Injection in Manager Web UI in Progress WS_FTP Server


- **Severity:** Medium 6.6 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Fix available:** No
- **Published:** 29 Oct 2026
- **Updated:** 29 Oct 2026
- **Also known as:** GHSA-4f4v-r2rp-777f

## What is CVE-2026-90872?

CVE-2026-90872 is a medium-severity vulnerability in Progress Software WS_FTP Server, published on 29 Oct 2026. 

### Official description

Improper neutralization of directives in dynamically evaluated code in the Manager web console of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an authenticated Manager administrator to execute arbitrary commands with the privileges of the WS_FTP Server IIS worker process.

Weakness: CWE-95 (Improper Neutralization of Directives in Dynamically Evaluated Code), CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2026-90872?


## How do I fix CVE-2026-90872?

No fix has been published for CVE-2026-90872 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-90872 being exploited?

There is no known exploitation of CVE-2026-90872 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-90872 and fix it if it is affected.

What it is: CVE-2026-90872 is a medium-severity vulnerability in Progress Software WS_FTP Server, published on 29 Oct 2026. 
Exploitation: There is no known exploitation of CVE-2026-90872 in the wild and no public exploit code.

Affected product: Progress Software WS_FTP Server. 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-2026-90872/ (Markdown: https://insights.sbomify.com/CVE-2026-90872/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-90872
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-90872
- OSV: https://osv.dev/vulnerability/CVE-2026-90872

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-90872/
Summaries are generated and may contain mistakes; the official description above is the record.