What is CVE-2026-115340?

CVE-2026-115340 is a high-severity vulnerability in Progress Software Ws FTP Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.1/10. Published 2026-11-09.

How severe is CVE-2026-115340?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Progress Software Ws FTP Server

CVE-2026-115340

Progress Software WS_FTP Server versions prior to 2025.0.5 on Windows may write sensitive user credential and session data to a temporary file during file transfer operations.

Published 2026-11-09 · last modified 2026-11-09.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Progress Software Ws FTP Server

Weakness classification (CWE)

References

community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2026 (vendor-advisory)

Frequently asked questions

What is CVE-2026-115340?: CVE-2026-115340 is a high-severity vulnerability in Progress Software Ws FTP Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.1/10. Published 2026-11-09.
How severe is CVE-2026-115340?: High severity. CVSS v3 base score is 7.1 out of 10.