{"id":"RLSA-2026:19219","summary":"Important: openssh security update","details":"OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.\n\nSecurity Fix(es):\n\n* OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode (CVE-2026-35385)\n\n* OpenSSH: OpenSSH: Security bypass via mishandling of authorized_keys principals option (CVE-2026-35414)\n\n* OpenSSH: OpenSSH: Information disclosure due to unintended cryptographic algorithm usage (CVE-2026-35387)\n\n* OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions (CVE-2026-35388)\n\n* OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username (CVE-2026-35386)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-05-28T16:00:19.303038056Z","published":"2026-05-28T15:43:06.024531Z","upstream":["CVE-2026-35385","CVE-2026-35386","CVE-2026-35387","CVE-2026-35388","CVE-2026-35414"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:19219"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2454469"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2454490"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2454494"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2454500"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2454506"}],"affected":[{"package":{"name":"openssh","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/openssh?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.9p1-7.el9_8.rocky.0.1"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:19219.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}