CVE-2026-53994
A remote, authenticated attacker can exploit a vulnerability in ProFTPD to carry out a denial of service attack.
CSIRTS triage
- What
- A vulnerability allows a remote authenticated attacker to carry out a denial of service attack.
- Who is affected
- Remote authenticated attackers targeting ProFTPD installations.
- Urgency
- Remediation is medium urgency due to the potential for service disruption.
- Action
- Update ProFTPD to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.42% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] ProFTPD: Vulnerability allows denial of servicecert-bund · 2026-07-20
- highCVE-2026-53994: ProFTPD mod_sftp contains a heap-based buffer overflow reachable by an authenticated SFTP user…nvd · 2026-07-18
External references
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[](https://www.csirts.com/cve/CVE-2026-53994)