CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2026-115339 Unauthenticated XFT Memory Exhaustion in Progress WS_FTP Server
High (7.5) in progress software ws ftp server. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.
On this page
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.
Severity
- EPSS
- 0.4% estimated probability of exploitation activity in the next 30 days; 32nd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: yes · Technical impact: partial, assessed 2026-11-12. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-770 Allocation of Resources Without Limits or Throttling
- Published
- Modified
- Assigned by
- ProgressSoftware (CNA)
- NVD analysis
- Under analysis
- Record from
- the NVD, synced
Ask an AI about this CVE
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Explain CVE-2026-115339 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-115339?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-115339?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-115339 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
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Affected
- progress software:ws_ftp server
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Progress Software WS_FTP Server | before 2025.0.5 |
Attack patterns (CAPEC)
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-770 (20).