CVE-2025-52532: Time-of-check Time-of-use (TOCTOU) Race Condition

A race condition in the MxGPU-Virtualization driver’s ioctl path caused by concurrent unsynchronized access to the global variable amdgvcmd in an unlocked ioctl handler could be exploited by an attacker to trigger a heap-based buffer overflow, potentially resulting in denial-of-service within the...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities were caused by TOCTOU race conditions in the LDAP and OAuth authentication processes, which could allow...

CVE-2026-45675: Improper Privilege Management

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, lin...

GHSA-H3WW-Q6XX-W7X3 Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts

Summary The LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, line 663 was explicitly patched to prevent this race with the comment "Insert with default role first to avoid...

CVE-2026-42592: Time-of-check Time-of-use (TOCTOU) Race Condition

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved addresses. Chromium later performs its own DNS resolution when i...

Amazon Linux 2 : PackageKit, --advisory ALAS2-2026-3282 (ALAS-2026-3282)

The version of PackageKit installed on the remote host is prior to 1.1.5-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3282 advisory. PackageKit is a a D-Bus abstraction layer that allows the user to manage packages in a secure way using a cross-distro,...

CVE-2026-41051

csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories...

CLSA-2026-1778662651 libcap: Fix of CVE-2026-4878

CVE-2026-4878: capsetfile TOCTOU race via path-based xattr operations...

CVE-2026-41051

CVE-2026-41051 affects csync2 and is due to the use of insecure temporary directories when csync2 is compiled with C99 or later, enabling TOCTOU-style issues in temporary paths. Public records indicate the vulnerability impacts openSUSE Tumbleweed’s csync2 package in the 2.0+git.1600444747.83b364...

CVE-2026-41051 csync2 uses insecure temporary directories when compiled with C99 or later

csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories...

CVE-2026-41051

csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories...

CVE-2026-41051: Time-of-check Time-of-use (TOCTOU) Race Condition

csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories...

CLSA-2026-1778599722 Fix CVE(s): CVE-2026-4878

SECURITY UPDATE: TOCTOU race condition in capsetfile - debian/patches/CVE-2026-4878.patch: open the target file and operate on /proc/self/fd/N so the inode is locked between the regular-file check and the xattr update - CVE-2026-4878...

PT-2026-61408

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Time-of-Check to Time-of-Use TOCTOU race condition exists in the batman-adv module. This occurs when generating the local TT based TVLV, where the system first calculates the number of...

EUVD-2026-29087

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...

SUSE SLES12 Security Update : sed (SUSE-SU-2026:1699-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:1699-1 advisory. This update for sed fixes the following issue: - CVE-2026-5958: a TOCTOU race can allow to read attacker-controlled content and write it to an unintend...

openSUSE 16 Security Update : python-pytest (openSUSE-SU-2026:20692-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20692-1 advisory. This update for python-pytest fixes the following issue: - CVE-2025-71176: a TOCTOU race condition can cause a denial of service or possibly gain...

OESA-2026-2211 util-linux security update

The util-linux package contains a random collection of files that implements some low-level basic linux utilities. Security Fixes: util-linux is a random collection of Linux utilities. Prior to version 2.41.4, a TOCTOU Time-of-Check-Time-of-Use vulnerability has been identified in the SUID binary...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libcap (UTSA-2026-016785)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016785 advisory. A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use TOCTOU race condition in the capsetfile function. This allows an...

CVE-2026-34354

Akamai Guardicore Platform Agent GPA and Zero Trust Client on Linux and macOS allow TOCTOU-based local privilege escalation. The GPA service creates an IPC socket in the world-writable /tmp directory. It accepts unauthenticated IPC control messages. This enables a TOCTOU vulnerability in the...