CVE-2026-3731
A remote, anonymous attacker can exploit a vulnerability in libssh to carry out a Denial of Service attack.
CSIRTS triage
- What
- A vulnerability allows a Denial of Service attack.
- Who is affected
- Remote, anonymous attackers targeting libssh deployments.
- Urgency
- Remediation is medium urgency as it can lead to service disruption.
- Action
- Apply patches or updates to libssh.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.63% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[UPDATE] [medium] libssh: Vulnerability allows Denial of Servicecert-bund · 2026-07-28
- high[UPDATE] [high] IBM App Connect Enterprise: Multiple vulnerabilitiescert-bund · 2026-07-21
External references
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[](https://www.csirts.com/cve/CVE-2026-3731)