Insecure Storage of Web Transfer Credentials in Progress WS_FTP Server

published 2026-11-09 2d ago modified 2026-11-09 2d ago also EUVD-2026-120114

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Progress Software WS_FTP Server 2025.0.5

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Exploit prediction

0.08% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

Progress Software WS_FTP Server

Classification

Weakness

CWE-312 Cleartext Storage of Sensitive Information
CWE-522 Insufficiently Protected Credentials

References

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

Sources

CVE List CVE-2026-115340
NVD CVE-2026-115340

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