Quick answers
- Is CVE-2026-115341 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-115341 being exploited in the wild.
- How severe is CVE-2026-115341?
- High severity, with a CVSS score of 7.7, published 9 November 2026.
- Which products and versions are affected?
- Progress Software WS FTP Server prior to 2025.0.5 on Windows.
- Is there a fix for CVE-2026-115341?
- Yes: fixed in WS_FTP Server 2025.0.5. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-115341 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-115341?
- 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 2025.0.5
Technical details
The Thin Client Web Transfer component in WS_FTP Server contains improper access restrictions that allow an authenticated FTP user to bypass file scope limitations. An attacker with valid FTP credentials can exploit this to access files outside their intended directory permissions. This is a privilege escalation issue affecting versions prior to 2025.0.5 on Windows.
Affected products
- Progress Software WS_FTP Server prior to 2025.0.5 on Windows
Timeline
- 2026-11-09: disclosed
- 2026-11-09: advisory