CVE-2026-90870: Unauthenticated Ad Hoc Transfer Resource Exhaustion in Progress WS_FTP Server
Progress Software · WS_FTP Server
Vendor fix available · Affected: Progress Software WS_FTP Server · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 19% of scored CVEs
DescriptionCVE.org
A missing release of backend receiver sessions in the Ad Hoc Transfer component of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could lead to server resource exhaustion and service degradation.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Progress Software · WS_FTP Serverbefore 2024.0.7; before 2025.0.4
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Progress Software
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-90870 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.