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Back to active CVEs
Medium · CVSS 4.3CVE-2026-90862

Web Transfer Module Multi-Factor Authentication Bypass in Progress WS_FTP ServerCVE-2026-90862

Answer in brief

CVE-2026-90862 records a Medium severity (CVSS 4.3) vulnerability in Web Transfer Module Multi-Factor Authentication Bypass in Progress WS_FTP Server. The current sources do not mark it as known exploited. The current feed maps Progress Software/WS_FTP Server (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 29, 2026Updated Oct 29, 2026Source checked Oct 29, 2026First seen by HOL Oct 29, 2026Material review Oct 29, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Progress Software/WS_FTP Server (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Progress Software/WS_FTP Servergeneric>=0 <2024.0.7 || >=0 <2025.0.42024.0.7, 2025.0.4

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Progress Software/WS_FTP Server.
  2. 2Review the reported fix. Source-reported workaround: Restrict Web Transfer Module access to trusted networks and users, and disable Web Transfer functionality if it is not required. Contact Progress Software Technical Support for guidance on available mitigations.

Evidence timeline and material changes

  1. Published upstream

    Oct 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 29, 2026

Sources and claim methodology

  • Source referenceprogress.lightning.force.com
Upstream source description

Improper authentication in the Web Transfer Module of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an attacker with a user’s password to access certain files associated with that account without satisfying multi-factor authentication requirements.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • @sylphx/pdf-reader-mcp: HTTP transport accepts unauthenticated requests despite a configured MCP_API_KEYAlso CWE-287

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-287, CWE-308
Source
CVE List V5
Source checked
Oct 29, 2026
References
1 linked source
Open source record