OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

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 ...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

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 ...

Important: Red Hat Security Advisory: openssh security update

An update for openssh is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Important: openssh security update

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 Fixes: OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode...

Fedora 42 : openssh (2026-d08c298940)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-d08c298940 advisory. Fixes high severity CVE: - CVE-2026-35385: Fix privilege escalation via scp legacy protocol when not in preserving file mode Tenable has extracted the...

CLSA-2026-1777567687 Fix CVE(s): CVE-2026-35385

SECURITY UPDATE: scp setuid/setgid bit handling - debian/patches/CVE-2026-35385.patch: when downloading files as root in legacy -O mode and without the -p preserve modes flag, mask out setuid/setgid bits in scp1 sink. - CVE-2026-35385...

CLSA-2026-1777556512 Fix CVE(s): CVE-2026-35385

SECURITY UPDATE: setuid/setgid bits preserved on scp downloads without -p - debian/patches/CVE-2026-35385.patch: in legacy -O mode, OR 07000 into the saved umask in sink in scp.c so that setuid/setgid/sticky bits are stripped from received files when -p is not specified. - CVE-2026-35385...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : OpenSSH vulnerabilities (USN-8222-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8222-1 advisory. Christos Papakonstantinou discovered that the OpenSSH scp tool incorrectly handled the legacy scp protocol -O option. Thi...

Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-1604)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1604 advisory. 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...

Important: openssh

Issue Overview: 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. CVE-2026-35385 Affected Packages: openssh Note: This...

Important: openssh

Issue Overview: 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. CVE-2026-35385 Affected Packages: openssh Issue...

Amazon Linux 2 : openssh, --advisory ALAS2-2026-3262 (ALAS-2026-3262)

The version of openssh installed on the remote host is prior to 7.4p1-22. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3262 advisory. In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectation...

USN-8222-1: OpenSSH vulnerabilities

Christos Papakonstantinou discovered that the OpenSSH scp tool incorrectly handled the legacy scp protocol -O option. This could result in certain files being installed setuid or setgid, contrary to expectations. CVE-2026-35385 Florian Kohnhäuser discovered that OpenSSH incorrectly handled shell...

Unity Linux 20.1060a Security Update: kernel (UTSA-2026-014339)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014339 advisory. In the Linux kernel, the following vulnerability has been resolved: remoteproc: mtkscp: Fix a potential double free 'scp-rproc' is allocated using devmrprocalloc, so...

K000160938: OpenSSH vulnerabilities CVE-2019-16905 and CVE-2020-12062

Security Advisory Description CVE-2019-16905 OpenSSH 7.7 through 7.9 and 8.x before 8.1, when compiled with an experimental key type, has a pre-authentication integer overflow if a client or server is configured to use a crafted XMSS key. This leads to memory corruption and local code execution...

PT-2026-35697

Summary The SCP middleware in charm.land/wish/v2 is vulnerable to path traversal attacks. A malicious SCP client can read arbitrary files from the server, write arbitrary files to the server, and create directories outside the configured root directory by sending crafted filenames containing ../...

Wish has SCP Path Traversal that allows arbitrary file read/write

The SCP middleware in charm.land/wish/v2 is vulnerable to path traversal attacks. A malicious SCP client can read arbitrary files from the server, write arbitrary files to the server, and create directories outside the configured root directory by sending crafted filenames containing ../ sequence...

OESA-2026-1963 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. Th...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: vim (UTSA-2026-007184)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007184 advisory. Vim is an open source, command line text editor. Prior to version 9.2.0073, an OS command injection vulnerability exists in the netrw standard plugin bundled with Vi...

OpenSSH < 10.3 Multiple Vulnerabilities

The version of OpenSSH installed on the remote host is prior to 10.3. It is, therefore, affected by multiple vulnerabilities as referenced in the release-10.3 advisory. - In OpenSSH before 10.3, validation of shell metacharacters in user names supplied on the command-line was performed too late,...