CVE-2026-57973

Time-of-check time-of-use toctou race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering locally...

CVE-2026-56648

Time-of-check time-of-use toctou race condition in Windows Network File System allows an authorized attacker to elevate privileges over a network...

CVE-2026-50658

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

CVE-2026-21046

The vulnerability CVE-2026-21046 concerns the fabricKeymaster trustlet. It describes a time-of-check time-of-use race condition that exists prior to the SMR Jul-2026 Release 1. Impact is local: a privileged attacker could execute arbitrary code. The provided sources specify the affected component...

Erlang/OTP 25.3 < 27.3.4.14 / 28.0 < 28.5.0.3 / 29.0 < 29.0.3 DoS (CVE-2026-55950)

The version of Erlang/OTP installed on the remote host is 25.3 prior to 27.3.4.14, 28.0 prior to 28.5.0.3, or 29.0 prior to 29.0.3. It is, therefore, affected by a vulnerability: - Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an...

Linux Distros Unpatched Vulnerability : CVE-2026-55950

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an unauthenticated remote attacker to crash all...

CVE-2026-55950 DTLS listener crash via race condition in dtls_packet_demux causes denial of service for all sessions

Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener. A DTLS server listener uses a single shared dtlspacketdemux genserver process to route incoming UDP...

CVE-2026-12374

Improper certificate validation and a time-of-check time-of-use TOCTOU race condition in the PrivilegedHelperTool XPC service in Cato Client before v.5.13.1 on macOS allows a local authenticated attacker to escalate privileges to root via a self-signed certificate that bypasses the XPC caller...

CVE-2026-10546 DNS Rebinding TOCTOU Bypass of SSRF Protection in Langflow OSS URL Component

IBM Langflow OSS 1.0.0 through 1.9.3 contains a Server-Side Request Forgery SSRF vulnerability in the URL component src/lfx/src/lfx/components/datasource/url.py due to a Time-of-Check/Time-of-Use TOCTOU race condition that can be exploited via DNS rebinding...

Linux Distros Unpatched Vulnerability : CVE-2026-54370

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - acl before version 2.4.0 contains a time-of-check to time-of-use TOCTOU race condition vulnerability that allows local attackers to escalate privileges by...

UBUNTU-CVE-2026-54370

acl before version 2.4.0 contains a time-of-check to time-of-use TOCTOU race condition vulnerability that allows local attackers to escalate privileges by replacing a pathname component with a symbolic link between an lstat check and subsequent symlink-following operations such as stat, chown,...

CVE-2026-54370 acl < 2.4.0 TOCTOU Symlink Traversal via getfacl/setfacl/chacl

acl before version 2.4.0 contains a time-of-check to time-of-use TOCTOU race condition vulnerability that allows local attackers to escalate privileges by replacing a pathname component with a symbolic link between an lstat check and subsequent symlink-following operations such as stat, chown,...

Linux Distros Unpatched Vulnerability : CVE-2026-53250

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xsk: cache csumstart/csumoffset to fix TOCTOU in xskskbmetadata The TX metadata area resides in the UMEM buffer which is memory-mapped and concurrently writable...

EulerOS 2.0 SP15 : libcap (EulerOS-SA-2026-2446)

According to the versions of the libcap packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

JLSEC-2026-626 Rsync versions before 3.4.3 contain a time-of-check to time-of-use (TOCTOU) race condition in...

Rsync versions before 3.4.3 contain a time-of-check to time-of-use TOCTOU race condition in daemon file handling that allows attackers to redirect file writes outside intended directories by replacing parent directory components with symbolic links. Attackers with write access to a module path ca...

PT-2026-52163

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.9.3 Description A Server-Side Request Forgery SSRF issue exists in the URL component located at src/lfx/src/lfx/components/data source/url.py. This is caused by a Time-of-Check/Time-of-Use TOCTOU race...

RockyLinux 8 : rsync (RLSA-2026:26408)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:26408 advisory. rsync: rsync: Remote memory disclosure via integer overflow in compressed-token decoding CVE-2026-43618 rsync: TOCTOU symlink race condition allowing...

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...

Important: rsync security update

The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because rsync only sends the differences in files over the network instead of sending whole files. The rsync utility is also used as a mirroring tool. Security Fixes:...

PT-2026-49073

Name of the Vulnerable Software and Affected Versions abrt-dbus affected versions not specified Description A time-of-check time-of-use TOCTOU race condition exists in the SetElement method of the abrt-dbus D-Bus service. A TOCTOU race condition occurs when a program checks a condition such as a...