Summary
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.
Security Fix(es):
* OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode (CVE-2026-35385)
* OpenSSH: OpenSSH: Security bypass via mishandling of authorized_keys principals option (CVE-2026-35414)
* OpenSSH: OpenSSH: Information disclosure due to unintended cryptographic algorithm usage (CVE-2026-35387)
* OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions (CVE-2026-35388)
* OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username (CVE-2026-35386)
For 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.
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | openssh | 8.0p1-29.el8_10 |
| AlmaLinux · 8 | openssh-askpass | 8.0p1-29.el8_10 |
| AlmaLinux · 8 | openssh-cavs | 8.0p1-29.el8_10 |
| AlmaLinux · 8 | openssh-clients | 8.0p1-29.el8_10 |
| AlmaLinux · 8 | openssh-keycat | 8.0p1-29.el8_10 |
| AlmaLinux · 8 | openssh-ldap | 8.0p1-29.el8_10 |
| AlmaLinux · 8 | openssh-server | 8.0p1-29.el8_10 |
| AlmaLinux · 8 | pam_ssh_agent_auth | 0.10.3-7.29.el8_10 |
Vulnerabilities 5
-
High 7.5
In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' …
-
Medium 4.2CVE-2026-35414 Public exploit
OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list …
-
Low 3.6
In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This …
-
Low 3.1
OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or …
-
Low 2.5
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
References
-
report
https://access.redhat.com/security/cve/CVE-2026-35385
-
report
https://access.redhat.com/security/cve/CVE-2026-35386
-
report
https://access.redhat.com/security/cve/CVE-2026-35387
-
report
https://access.redhat.com/security/cve/CVE-2026-35388
-
report
https://access.redhat.com/security/cve/CVE-2026-35414
-
report
https://bugzilla.redhat.com/2454469
-
report
https://bugzilla.redhat.com/2454490
-
report
https://bugzilla.redhat.com/2454494
-
report
https://bugzilla.redhat.com/2454500
-
report
https://bugzilla.redhat.com/2454506
-
advisory
https://errata.almalinux.org/8/ALSA-2026-13383.html