SUSE CVE-2026-35388

OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions...

SUSE CVE-2026-35414

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

CVE-2026-35386

A flaw was found in OpenSSH. This vulnerability allows a remote attacker to achieve arbitrary command execution by injecting shell metacharacters into a username provided on the command line. Exploitation requires an untrusted username and a non-default configuration of the '%' character in...

CVE-2026-35388

A flaw was found in OpenSSH. This vulnerability allows for a low integrity impact due to the omission of connection multiplexing confirmation for proxy-mode multiplexing sessions. A local user, under specific and complex conditions requiring user interaction, could potentially establish a...

CVE-2026-35387

A flaw was found in OpenSSH. This vulnerability allows the system to use unintended Elliptic Curve Digital Signature Algorithm ECDSA algorithms. This occurs because the configuration for accepted public key algorithms is misinterpreted, leading to the use of weaker cryptographic methods than...

CVE-2026-35414

A flaw was found in OpenSSH. This vulnerability arises from the incorrect handling of the authorizedkeys principals option in uncommon scenarios. Specifically, when a principals list is used with a Certificate Authority that includes comma characters, OpenSSH may misinterpret the input. This coul...

CVE-2026-35385

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

CLSA-2026-1775220882 openssh: Fix of CVE-2026-3497

CVE-2026-3497: terminate GSSAPI key exchange on protocol errors using sshpacketdisconnect instead of sshpktdisconnect downstream gsskex patch...

RHSA-2026:6462 Red Hat Security Advisory: openssh security update

Bulletin has no description...

RHSA-2026:6461 Red Hat Security Advisory: openssh security update

Bulletin has no description...

Oracle Linux 10 : openssh (ELSA-2026-6463)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-6463 advisory. 9.9p1-13.0.1 - Upstream references found with /usr/bin/ssh Orabug: 37824421 9.9p1-13 - CVE-2026-3497: Fix information disclosure or denial of service due to...

RHEL 8 : openssh (RHSA-2026:6461)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:6461 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary f...

openssh security update

8.7p1-48.0.1 - Upstream references found with /usr/bin/ssh Orabug: 37814929 - upstream: fix AuthorizedPrincipalsCommand when AuthorizedKeysCommand Orabug: 37647064 - Update upstream references Orabug: 36564626 8.7p1-48 - CVE-2026-3497: Fix information disclosure or denial of service due to...

EUVD-2026-18480

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

EUVD-2026-18404

OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions...

EUVD-2026-18400

In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in sshconfig...

EUVD-2026-18402

OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms...

EUVD-2026-18398

In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O legacy scp protocol and without -p preserve mode...

UBUNTU-CVE-2026-35414

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

CVE-2026-35385

In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O legacy scp protocol and without -p preserve mode...