What is CVE-2026-115338?

CVE-2026-115338 is a high-severity vulnerability in Progress Software Ws FTP Server, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2026-11-09.

How severe is CVE-2026-115338?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Progress Software Ws FTP Server

CVE-2026-115338

Insufficient protection of communications in Progress WS_FTP Server versions prior to 2025.0.5 could allow a network attacker to intercept sensitive information or modify requests when unencrypted connections are used.

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

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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-2026-115338?: CVE-2026-115338 is a high-severity vulnerability in Progress Software Ws FTP Server, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2026-11-09.
How severe is CVE-2026-115338?: High severity. CVSS v3 base score is 8.1 out of 10.