[UPDATE] [medium] OpenSSH: Multiple vulnerabilities

mediumCVE-2026-35385 CVE-2026-35386 CVE-2026-35387 CVE-2026-35388 CVE-2026-35414

A remote attacker can exploit multiple vulnerabilities in OpenSSH to execute code, escalate privileges, bypass security mechanisms, or achieve unspecified impacts.

CSIRTS triage

vendor: OpenSSH product: OpenSSH Remote code execution Privilege escalation Authentication bypassOther

What: Multiple vulnerabilities can execute code, escalate privileges, or bypass security mechanisms.
Who is affected: Users of OpenSSH installations.
Urgency: Remediation is medium urgency due to the medium severity of the vulnerabilities.
Action: Update to the latest version of OpenSSH.

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: medium
Published: 2026-07-22
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-2026-0979

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-353850.61% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-353860.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-353870.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-353880.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-354140.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-35385	coverage & exploitation status	NVD · CVE.org
CVE-2026-35386	coverage & exploitation status	NVD · CVE.org
CVE-2026-35387	coverage & exploitation status	NVD · CVE.org
CVE-2026-35388	coverage & exploitation status	NVD · CVE.org
CVE-2026-35414	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

mediumCVE-2026-35414: OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios inv…msrc
lowCVE-2026-35388: OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing ses…msrc
high[UPDATE] [high] IBM QRadar SIEM: Multiple vulnerabilitiescert-bund
high[NEW] [high] Aruba AOS-CX: Multiple Vulnerabilitiescert-bund
unknownMultiple vulnerabilities in HPE Aruba Networking products (July 22, 2026)cert-fr-avis
unknownUSN-8577-1: OpenSSH vulnerabilityubuntu
unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis
unknownUSN-8514-1: OpenSSH vulnerabilityubuntu
unknownMultiple vulnerabilities in Red Hat Linux kernel (July 3, 2026)cert-fr-avis
unknownRedHat Linux Kernel Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in the Red Hat Linux kernel (June 26, 2026)cert-fr-avis
unknownPAN-SA-2026-0009 Informational Bulletin: Impact assessment of OSS CVEs in Prisma SD-WAN ION (Severity: INFORMA…paloalto

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.

medium[NEW] [medium] OpenSSH: Multiple vulnerabilitiescert-bund · 2026-08-20
medium[UPDATE] [medium] OpenSSH: Multiple vulnerabilitiescert-bund · 2026-08-17
high[NEW] [high] OpenSSH: Multiple vulnerabilitiescert-bund · 2026-08-11
lowCVE-2026-73283: In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be a…nvd · 2026-08-11
mediumCVE-2026-73282: In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair o…nvd · 2026-08-11
lowCVE-2026-73281: In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to o…nvd · 2026-08-11