USN-8514-1: OpenSSH vulnerability

unknownCVE-2026-35385

It was discovered that OpenSSH incorrectly handled file permissions when downloading files as root using the legacy scp protocol without the preserve-mode option. An attacker could use this to install setuid or setgid files on a system, possibly leading to privilege escalation.

CSIRTS triage

vendor: OpenSSH product: OpenSSH Privilege escalation

What: Improper handling of file permissions could allow an attacker to install setuid or setgid files.
Who is affected: Systems using OpenSSH with the legacy scp protocol.
Urgency: Remediation is urgent as it could lead to privilege escalation.
Action: Update OpenSSH to the latest version.

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

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Details

Source: Ubuntu Security Notices (INTL · vendor-psirt · site)
Severity: unknown
Published: 2026-07-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://ubuntu.com/security/notices/USN-8514-1

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-2026-353850.42% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-35385	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis
medium[UPDATE] [medium] OpenSSH: Multiple vulnerabilitiescert-bund
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