CVE-2026-39828

When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError...

PT-2026-42766

Name of the Vulnerable Software and Affected Versions shell-quote versions prior to 1.8.4 Description The quote function fails to validate object-token inputs against the operator model used by parse. Specifically, the .op field is escaped using a regular expression that does not match line...

CVE-2026-39830

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close, resulting in a resource leak per connection. Unsolicited global responses are now discarded...

CVE-2026-39834

When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation...

Dell PowerFlex Manager encryption issue vulnerability

Dell PowerFlex Manager is a software-defined infrastructure deployment and lifecycle management platform developed by the American company Dell. Versions of Dell PowerFlex Manager prior to 4.6.2 contained an encryption vulnerability. This vulnerability stemmed from the use of defective or high-ri...

CVE-2026-39835

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil...

Google Go security vulnerabilities

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go. This vulnerability arises from authenticated SSH clients repeatedly opening channels that are rejecte...

Google Go security vulnerabilities

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go, which occurs when using CertChecker as a public key callback without setting IsUserAuthority or IsHos...

CVE-2026-9277: Improper Neutralization of Special Elements used in an OS Command

shell-quote's quote function did not validate object-token inputs against the operator model used by parse. The .op field was backslash-escaped character by character using /./g, which in JavaScript does not match line terminators \n, \r, U+2028, U+2029. A line terminator in .op therefore passed...

RockyLinux 9 : cockpit: Unauthenticated remote code execution due to SSH command-line argument injection (Critical) (RLSA-2026:7384)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:7384 advisory. cockpit: ws: be more explicit when handling hostnames on cli CVE-2026-4631 Tenable has extracted the preceding description block directly from the RockyLinux...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: gnome-autoar (UTSA-2026-016668)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016668 advisory. autoar-extractor.c in GNOME gnome-autoar through 0.2.4, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: maven-shared-utils (UTSA-2026-016689)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016689 advisory. In Apache Maven maven-shared-utils prior to version 3.3.3, the Commandline class can emit double-quoted strings without proper escaping, allowing shell injection...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: gnome-shell (UTSA-2026-016740)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016740 advisory. An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappea...

RockyLinux 9 : openssh (RLSA-2025:23480)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23480 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh://...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: gnome-autoar (UTSA-2026-016654)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016654 advisory. autoar-extractor.c in GNOME gnome-autoar before 0.3.1, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it...

shell-quote security vulnerability

Shell-quote is a software package developed by Jordan Harband. It is used for parsing and quoting shell commands. Shell-quote has a security vulnerability. This vulnerability stems from the quote function not verifying the object token input and the operator model used in parse. As a result, line...

PT-2026-42706

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An authenticated SSH client can cause unbounded memory growth by repeatedly opening channels that are rejected by the server. This leads to the server process...

GHSA-VPR4-P6FQ-85JC Snappy: Binary path is never shell-escaped due to an inverted is_executable check

Impact On POSIX, escapeshellarg‘/usr/bin/wkhtmltopdf’ returns the literal string ‘/usr/bin/wkhtmltopdf’ with the single-quote characters included. isexecutable then looks for a file whose actual name contains those quote characters, which essentially never exists. The safe branch is dead code and...

Snappy: Binary path is never shell-escaped due to an inverted is_executable check

Impact On POSIX, escapeshellarg‘/usr/bin/wkhtmltopdf’ returns the literal string ‘/usr/bin/wkhtmltopdf’ with the single-quote characters included. isexecutable then looks for a file whose actual name contains those quote characters, which essentially never exists. The safe branch is dead code and...

kernel: Read root-owned files as an unprivileged user

A vulnerability was found in the Linux kernel that allows an unprivileged local user to read sensitive files normally restricted to the root user. The flaw occurs during process exit, where a brief window allows an attacker to intercept file access from a privileged process before it fully...