# CVE-2026-90872: Progress Software WS_FTP Server code injection in Manager web console

Source: https://junglewise.ai/threats/cve-2026-90872-improper-neutralization-of-directives-in-dynamically-evaluated  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-29. Updated: 2026-10-29  
License: CC BY 4.0 with a link back

CVE-2026-90872 · Severity: medium · CVSS 6.6 · Published 2026-10-29

WS_FTP Server is a Windows-based file transfer solution with a web-based administrative console. An authenticated administrator can inject malicious code through the Manager web console that executes with the privileges of the IIS worker process, potentially compromising the entire server and any data it manages.

Technologies: [Progress Software WS FTP Server](https://junglewise.ai/threats/technologies/progress-software-ws-ftp-server). Vendors: [Progress Software](https://junglewise.ai/threats/vendors/progress-software).

## Quick answers

**Is CVE-2026-90872 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-90872 being exploited in the wild.

**How severe is CVE-2026-90872?** Medium severity, with a CVSS score of 6.6, published 29 October 2026.

**Which products and versions are affected?** Progress Software WS FTP Server prior to 2024.0.7 and 2025.0.4.

**Is there a fix for CVE-2026-90872?** Yes: fixed in WS_FTP Server 2024.0.7, 2025.0.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-90872 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-90872?** Check whether you run Progress Software WS FTP Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in WS_FTP Server 2024.0.7, 2025.0.4

## Technical details

Improper neutralization of directives in dynamically evaluated code in the Manager web console allows authenticated administrator-level users to execute arbitrary commands. The vulnerability affects versions prior to 2024.0.7 and 2025.0.4 on Windows. An attacker with valid manager administrator credentials can exploit this to gain code execution with IIS worker process privileges.

## Affected products

- Progress Software WS_FTP Server prior to 2024.0.7 and 2025.0.4

## Timeline

- 2026-10-29: disclosed

## References

- [https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view](https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view)

## Related threats

- [Progress Software WS_FTP Server access restriction bypass in Thin Client Web Transfer](https://junglewise.ai/threats/cve-2026-115341-improper-access-restrictions-in-the-thin-client-web-transfer)
- [Progress Software WS_FTP Server sensitive data exposure in temp file](https://junglewise.ai/threats/cve-2026-115340-progress-software-ws-ftp-server-versions-prior-to-2025-0-5-on)
- [Progress Software WS_FTP Server denial of service via insufficient resource limits](https://junglewise.ai/threats/cve-2026-115339-insufficient-resource-limits-in-progress-software-ws-ftp-server)
- [Progress WS_FTP Server incorrect quota accounting](https://junglewise.ai/threats/cve-2026-115336-incorrect-quota-accounting-in-progress-software-ws-ftp-server)
- [Progress Software WS_FTP Server path traversal](https://junglewise.ai/threats/cve-2026-90871-improper-limitation-of-a-pathname-to-a-restricted-directory-in)