golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root

A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the Root.Chmod function is replaced with a symbolic link during execution, specifically after Root.Chmod checks the target but before acting, the chmod operation will be performed on the file the...

CVE-2026-7819

Symbolic-link path traversal CWE-61, CWE-22 in pgAdmin 4 File Manager. checkaccesspermission used os.path.abspath, which resolves '..' but does not resolve symbolic links, while the subsequent kernel write follows symlinks. An authenticated user could plant a symbolic link inside their own storag...

CVE-2026-7819

CVE-2026-7819 describes a symbolic-link path traversal in pgAdmin 4 File Manager. The vulnerability arises because check_access_permission used os.path.abspath (resolving ..) but not symbolic links, allowing an authenticated user to plant a symlink within their storage directory that points elsew...

Unity Linux 20.1060e / 20.1070e Security Update: samba (UTSA-2026-017509)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017509 advisory. A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and directory...

GHSA-7V3R-M9C8-R855 Gotenberg's ExifTool group-prefix syntax bypasses dangerous-tag blocklist

Summary The ExifTool metadata write blocklist in Gotenberg v8 can be bypassed using ExifTool's group-prefix syntax, enabling arbitrary file rename, move, hardlink, and symlink creation on the server. This is a bypass of the fix for GHSA-qmwh-9m9c-h36m. Details The blocklist in...

PT-2026-38381

Name of the Vulnerable Software and Affected Versions Gotenberg versions prior to 8.30.0 Description The ExifTool metadata write blocklist can be bypassed using group-prefix syntax, allowing an attacker to perform arbitrary file rename, move, hardlink, and symlink creation on the server. The...

Insecure File Permissions

Claude SDK for TypeScript is vulnerable to insecure file permissions. The vulnerability is due to the BetaLocalFilesystemMemoryTool creating memory files and directories with world-readable and world-writable permissions, where a local attacker on a shared host could read persisted agent state, a...

RHCOS 4 : OpenShift Container Platform 4.6.51 (RHSA-2021:4799)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4799 advisory. - jenkins: FilePathmkdirs does not check permission to create parent directories CVE-2021-21685 - jenkins: File path filters do not...

JLSEC-2026-394

When curl 7.84.0 saves cookies, alt-svc and hsts data to local files, it makes the operation atomic by finalizing the operation with a rename from a temporary name to the final target file name.In that rename operation, it might accidentally widen the permissions for the target file, leaving the...

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 ...

GHSA-P7FG-763F-G4GF Claude SDK for TypeScript has Insecure Default File Permissions in Local Filesystem Memory Tool

The BetaLocalFilesystemMemoryTool in the Anthropic TypeScript SDK created memory files and directories using the Node.js default modes 0o666 for files, 0o777 for directories, leaving them world-readable on systems with a standard umask and world-writable in environments with a permissive umask su...

PT-2026-36109

Name of the Vulnerable Software and Affected Versions Claude SDK for TypeScript versions 0.79.0 through 0.91.0 Description The BetaLocalFilesystemMemoryTool creates memory files and directories using Node.js default modes 0o666 for files and 0o777 for directories. This results in files being...

CVE-2026-31611

A flaw was found in the ksmbd component of the Linux kernel. A remote attacker could exploit this vulnerability by sending a specially crafted Access Control Entry ACE that causes an out-of-bounds read when parsing security identifiers. This out-of-bounds read can lead to the application of...

PT-2026-34963

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the ksmbd module, the parse dacl function compares each Access Control Entry ACE Security Identifier SID against sid unix NFS mode. If sid unix NFS mode is the prefix S-1-5-88-3 with...

GHSA-2M8X-MVFX-GWGJ uutils coreutils has a Time-of-check Time-of-use (TOCTOU) Race Condition

The cp utility in uutils coreutils is vulnerable to an information disclosure race condition. Destination files are initially created with umask-derived permissions e.g., 0644 before being restricted to their final mode e.g., 0600 later in the process. A local attacker can race to open the file...

Duplicate Advisory: uutils coreutils allows unauthorized modification of permissions on existing files

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-pmf6-rcx4-v53v. This link is maintained to preserve external references. Original Description A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files...

CVE-2026-35357

The cp utility in uutils coreutils is vulnerable to an information disclosure race condition. Destination files are initially created with umask-derived permissions e.g., 0644 before being restricted to their final mode e.g., 0600 later in the process. A local attacker can race to open the file...

Linux Distros Unpatched Vulnerability : CVE-2026-35341

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a FIFO because...

Security update for nodejs22

This update for nodejs22 fixes the following issues: Update to version 22.22.2. CVE-2026-21717: trivially predictable hash collisions due to flaw in V8's string hashing mechanism allows for performance degradation via a crafted request bsc1260494. CVE-2026-21716: incomplete fix for CVE-2024-36137...