CVE-2026-7598
A remote, anonymous attacker can exploit a vulnerability in libssh2 to perform a Denial of Service attack.
CSIRTS triage
- What
- libssh2 contains a vulnerability allowing remote denial of service attacks.
- Who is affected
- All deployments of libssh2 are affected.
- Urgency
- Medium priority; remote unauthenticated DoS possible.
- Action
- Update libssh2 to a patched version addressing CVE-2026-7598.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[UPDATE] [medium] libssh2: Vulnerability allows Denial of Servicecert-bund · 2026-08-25
- unknownDSA-6365-1 libssh2 - security updatedebian · 2026-06-25
External references
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[](https://www.csirts.com/cve/CVE-2026-7598)