AZL-83102 CVE-2026-5958 affecting package sed for versions less than 4.9-2

When sed is invoked with both -i in-place edit and --follow-symlinks, the function opennextfile performs two separate, non-atomic filesystem operations on the same path: 1. resolves symlink to its target and stores the resolved path for determining when output is written, 2. opens the original...

CVE-2026-40896: Time-of-check Time-of-use (TOCTOU) Race Condition

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with manageagendas permission in any project can inject agenda items into meetings belonging to any other project on the instance — even projects they have no access to. No knowledge of the target...

CVE-2026-5958: Time-of-check Time-of-use (TOCTOU) Race Condition

When sed is invoked with both -i in-place edit and --follow-symlinks, the function opennextfile performs two separate, non-atomic filesystem operations on the same path: 1. resolves symlink to its target and stores the resolved path for determining when output is written, 2. opens the original...

UBUNTU-CVE-2026-5958

When sed is invoked with both -i in-place edit and --follow-symlinks, the function opennextfile performs two separate, non-atomic filesystem operations on the same path: 1. resolves symlink to its target and stores the resolved path for determining when output is written, 2. opens the original...

SUSE SLES12 Security Update : libcap (SUSE-SU-2026:1433-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:1433-1 advisory. This update for libcap fixes the following issue: - CVE-2026-4878: Address a potential TOCTOU race condition in capsetfile bsc1261809. Tenable has...

PT-2026-36330

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 tpacket snd function when PACKET VNET HDR is enabled. The vnet hdr points to a memory-mapped TX ring buffer shared with...

SUSE SLED15 / SLES15 Security Update : libcap (SUSE-SU-2026:1432-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1432-1 advisory. This update for libcap fixes the following issue: - CVE-2026-4878: Address a potential TOCTOU race condition in...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition in the authentication process. An attacker can gain unauthorized access to multiple authenticated...

OESA-2026-1929 libcap security update

This is a library for getting and setting POSIX.1e formerly POSIX 6 draft 15 capabilities. Security Fixes: 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 attacker with write access t...

Security update for libcap

This update for libcap fixes the following issue: CVE-2026-4878: Address a potential TOCTOU race condition in capsetfile bsc1261809. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively you can run th...

SUSE-SU-2026:1433-1 Security update for libcap

This update for libcap fixes the following issue: - CVE-2026-4878: Address a potential TOCTOU race condition in capsetfile bsc1261809...

Fedora 43 : util-linux (2026-840b40ef4c)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-840b40ef4c advisory. upstream update, fixes security-related bugs CVE-2026-27456 - mount8 TOCTOU symlink attack via loop device. The SUID mount follows symlinks when resolving lo...

Exploit for CVE-2026-1880

CVE-2026-1880 Your browser does not support embedded video...

Half-Moon Cookie: Private, Similarity-Based Blocklisting with TOCTOU-Attack Resilience

Blocklisting is a common technique for preventing the use of known malicious content. However, conventional blocklisting infrastructures require either the blocklist to be public or clients to reveal their queries to the blocklist server. In this work, we introduce a private blocklisting framewor...

PT-2026-35312

Summary OpenClaw's exec script preflight validator previously validated and then read a script by mutable pathname. A local race could swap the path between validation and read, causing preflight analysis to inspect a different file identity than the one that passed the workspace boundary check...

CVE-2026-1880: Time-of-check Time-of-use (TOCTOU) Race Condition

An Incorrect Permission Assignment for Critical Resource vulnerability in the ASUS DriverHub update process allows privilege escalation due to improper protection of required execution resources during the validation phase, permitting a local user to make unprivileged modifications. This allows t...

PT-2026-35288

Summary The core security wrappers secureAxiosRequest and secureFetch intended to prevent Server-Side Request Forgery SSRF contain multiple logic flaws. These flaws allow attackers to bypass the allow/deny lists via DNS Rebinding Time-of-Check Time-of-Use or by exploiting the default configuratio...

Security Bulletin: Vulnerability in filelock affects IBM Netezza Appliance

Summary The filelock package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2026-22701 Vulnerability Details CVEID:CVE-2026-22701 DESCRIPTION: filelock is a platform-independent file lock for Python. Prior to version 3.20.3, a TOCTOU race condition...

CVE-2026-3590: Time-of-check Time-of-use (TOCTOU) Race Condition

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent...

CVE-2026-27929: Time-of-check Time-of-use (TOCTOU) Race Condition

Time-of-check time-of-use toctou race condition in Windows LUAFV allows an authorized attacker to elevate privileges locally...