Symlink Attack

Overview langchain-anthropic is an Integration package connecting Claude Anthropic APIs and LangChain Affected versions of this package are vulnerable to Symlink Attack via the file-search middleware and loaders that resolve filesystem paths and search patterns without confining the resolved path...

Symlink Attack

Overview langchain is a Building applications with LLMs through composability Affected versions of this package are vulnerable to Symlink Attack via the file-search middleware and loaders that resolve filesystem paths and search patterns without confining the resolved path to the intended root...

rsync: TOCTOU symlink race condition allowing local privilege escalation in daemon mode without chroot.

A flaw was found in rsync. An rsync daemon configured with "use chroot = no" is exposed to a time-of-check / time-of-use race on parent path components. A local attacker with write access to a module can replace a parent directory component with a symlink between the receiver's check and its open...

GHSA-7Q4V-2MR6-5GPX Microsoft Security Advisory CVE-2026-45491 – .NET Tampering Vulnerability

Executive Summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Formats.Tar. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A tampering vulnerability exists in the...

postgresql: PostgreSQL: Operating system account hijack via symlink following in pg_basebackup and pg_rewind

A flaw was found in PostgreSQL. This vulnerability, related to symlink following in pgbasebackup plain format and pgrewind, allows an origin superuser to overwrite local files. By exploiting this, an attacker could potentially hijack the operating system account. This attack has practical...

postgresql: PostgreSQL: Operating system account hijack via symlink following in pg_basebackup and pg_rewind

A flaw was found in PostgreSQL. This vulnerability, related to symlink following in pgbasebackup plain format and pgrewind, allows an origin superuser to overwrite local files. By exploiting this, an attacker could potentially hijack the operating system account. This attack has practical...

Important: Red Hat Security Advisory: postgresql:16 security update

An update for the postgresql:16 module is now available for Red Hat Enterprise Linux 9. 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...

postgresql: PostgreSQL: Operating system account hijack via symlink following in pg_basebackup and pg_rewind

A flaw was found in PostgreSQL. This vulnerability, related to symlink following in pgbasebackup plain format and pgrewind, allows an origin superuser to overwrite local files. By exploiting this, an attacker could potentially hijack the operating system account. This attack has practical...

USN-8349-3: rsync regression

USN-8349-1 fixed vulnerabilities in rsync. Unfortunately that update introduced multiple regressions in rsync functionality. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Calum Hutton discovered that rsync contained a heap-based out-of-bounds read...

USN-8349-3 rsync regression

USN-8349-1 fixed vulnerabilities in rsync. Unfortunately that update introduced multiple regressions in rsync functionality. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Calum Hutton discovered that rsync contained a heap-based out-of-bounds read...

PT-2026-50158

Name of the Vulnerable Software and Affected Versions Hugo versions 0.123.0 through 0.161.1 Description A regression in the virtual filesystem allows a symlink confinement bypass. The RootMappingFs.statRoot function calls Stat, which follows symlinks, instead of Lstat. This allows a direct lookup...

rsync security update

3.1.3-27 - Integer overflow in compressed-token decoding CVE-2026-43618 - Resolves: RHEL-174951 3.1.3-26 - Resolves: RHEL-174950 - CVE-2026-29518 - TOCTOU symlink race in non-chrooted daemon modules...

PT-2026-51505

Name of the Vulnerable Software and Affected Versions Crawl4AI versions prior to 0.8.8 Description An arbitrary file write issue exists in the screenshot and PDF endpoints. Unauthenticated remote attackers can write files outside the intended directory by exploiting insufficient path validation a...

ALSA-2026:26203 Important: postgresql:16 security update

PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Operating system account hijack via symlink following in pgbasebackup and pgrewind CVE-2026-6475 postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite...

RHEL 9 : postgresql:16 (RHSA-2026:26203)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26203 advisory. PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Operating system accou...

RockyLinux 9 : postgresql:16 (RLSA-2026:26203)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:26203 advisory. postgresql: PostgreSQL: Operating system account hijack via symlink following in pgbasebackup and pgrewind CVE-2026-6475 postgresql: PostgreSQL libpq:...

RHEL 9 : rsync (RHSA-2026:26410)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26410 advisory. The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because...

Security update for kubevirt-1.6

This update for kubevirt-1.6 fixes the following issues Update to version 1.6.6, fixes various go embedded security issues: CVE-2025-47911: golang.org/x/net/html: various algorithms with quadratic complexity when parsing HTML documents bsc1251420. CVE-2025-47913: golang.org/x/crypto/ssh/agent:...

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...

Moderate: Red Hat Security Advisory: yggdrasil-worker-package-manager security update

An update for yggdrasil-worker-package-manager is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...