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[NEW] [high] OpenSSH: Multiple vulnerabilities

high
An attacker can exploit multiple vulnerabilities in OpenSSH to bypass security measures, achieve Denial of Service and potentially Code Execution.

CSIRTS triage

vendor: OpenSSHproduct: OpenSSHAuthentication bypassDenial of serviceRemote code execution
What
Multiple vulnerabilities in OpenSSH enable security measure bypass, denial of service, and potentially remote code execution.
Who is affected
Deployments of OpenSSH server and client.
Urgency
High urgency; vulnerabilities enable authentication bypass and potential code execution in a widely-deployed service.
Action
Apply OpenSSH security updates to the latest patched version immediately.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2747

Recent advisories for OpenSSH

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories