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  4. CVE 2026 115339 unauthenticated xft memory exhaustion in progress
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Back to active CVEs
High · CVSS 7.5CVE-2026-115339

Unauthenticated XFT Memory Exhaustion in Progress WS_FTP ServerCVE-2026-115339

Answer in brief

CVE-2026-115339 records a High severity (CVSS 7.5) vulnerability in Unauthenticated XFT Memory Exhaustion 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 Nov 9, 2026Updated Nov 9, 2026Source checked Nov 10, 2026First seen by HOL Nov 9, 2026Material review Nov 9, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. 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 <2025.0.52025.0.5

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Progress Software/WS_FTP Server.
  2. 2Review the reported fix. Source-reported workaround: Reduce XFT service message-size and array-size limits to the minimum required for normal transfers. Contact Progress Software Technical Support for guidance on configuring these limits.

Evidence timeline and material changes

  1. Published upstream

    Nov 9, 2026

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

  2. Source modified

    Nov 9, 2026

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

  3. First seen by HOL

    Nov 9, 2026

Sources and claim methodology

  • Source referencecommunity.progress.com
Upstream source description

Insufficient resource limits in Progress Software WS_FTP Server releases prior to 2025.0.5 on Windows could allow an unauthenticated remote attacker to cause denial of service.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-770
Source
CVE List V5
Source checked
Nov 10, 2026
References
1 linked source
Open source record