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CVE-2026-90861: Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows may expose a user's passwor

23
Routine
MEDIUM 6.6

CVE-2026-90861 is a medium-severity flaw (CVSS 6.6) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows may expose a user's password in clear text to another administrator, who could use it to gain broader administrative access to the server.

Why this priority

  • No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score6.6 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededHigh
User interactionNone
EPSS exploit chancen/a
CISA exploited listNo
WeaknessCWE-522, CWE-532
Published2026-10-29
Last modified2026-10-29
Publisher (CNA): Progress Software Corporation

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Last updated 2026-10-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

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Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-90861?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-90861 being exploited?

CVE-2026-90861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-90861 affect?

CVE-2026-90861 affects affected software. Severity is medium (CVSS 6.6). Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows may expose a user's password in clear text to another administrator, who could use it to gain broader administrative access to the server.

How urgent is CVE-2026-90861?

Priority 23/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities

References

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