Wing FTP Server Information Disclosure Vulnerability

Added to KEV
2026-03-16
Federal due date
2026-03-30
Vendor
Wing FTP Server
Product
Wing FTP Server
EPSS
96.5th percentile (score 0.269, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2025-47813

CISA short description

Wing FTP Server contains a generation of error message containing sensitive information vulnerability when using a long value in the UID cookie.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.