CVE-2026-13113

GitLab EE contained a TOCTOU race condition in approval rule processing that could allow an authenticated user to merge into a protected branch without the required approvals. Affected versions: 17.0–before 19.0.5, 19.1–before 19.1.3, and 19.2–before 19.2.1. Remediation: patches released (e.g., 1...

CVE-2026-56822

CVE-2026-56822 affects Netty’s OcspServerCertificateValidator. The TOCTOU race forwards SslHandshakeCompletionEvent before OCSP validation finishes, potentially allowing downstream handlers to send data to a revoked server before the OCSP check closes the channel. Affected releases: prior to 4.1....

Siemens SIMATIC S7-1500 CPU 1518 MFP Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-2026-23287)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505751; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

Linux Distros Unpatched Vulnerability : CVE-2026-59676

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the...

UBUNTU-CVE-2026-59676

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10...

CVE-2026-59676

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10...

RockyLinux 8 : acl (RLSA-2026:43420)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:43420 advisory. acl: Symlink traversal privilege escalation via libacl functions CVE-2026-54369 acl: TOCTOU Symlink Traversal via getfacl/setfacl CVE-2026-54370 Tenable...

GHSA-WC96-39FC-566F Netty: TOCTOU in OcspServerCertificateValidator

Summary Netty's OcspServerCertificateValidator forwards the SslHandshakeCompletionEvent before the asynchronous OCSP validation completes. This allows the client's downstream handlers to send sensitive application data e.g., HTTP requests to a revoked server before the channel is closed by the OC...

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

Overview io.netty:netty-handler-ssl-ocsp is a Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Conditio...

CVE-2026-65598

n8n before 1.123.64, 2.29.8, and 2.30.1 contains a TOCTOU race condition in the Git node's clone operation that allows authenticated users to bypass path restrictions by swapping a directory for a symlink after the path is validated but before the clone runs. This lets an attacker plant a crafted...

acl security update

An update is available for acl. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Access Control Lists ACLs are used to define fine-grained discretionary access...

acl security update

An update is available for acl. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Access Control Lists ACLs are used to define fine-grained discretionary access...

CVE-2026-65598

CVE-2026-65598 affects n8n versions before 1.123.64 (also 2.29.8 and 2.30.1). A TOCTOU race in the Git node’s clone operation allows an authenticated user to bypass path restrictions by swapping a directory for a symlink after path validation but before the clone runs. An attacker can plant a cra...

CVE-2026-65598 n8n before 1.123.64 Remote Code Execution via Git Clone

n8n before 1.123.64, 2.29.8, and 2.30.1 contains a TOCTOU race condition in the Git node's clone operation that allows authenticated users to bypass path restrictions by swapping a directory for a symlink after the path is validated but before the clone runs. This lets an attacker plant a crafted...

CVE-2026-65598 n8n before 1.123.64 Remote Code Execution via Git Clone

n8n before 1.123.64, 2.29.8, and 2.30.1 contains a TOCTOU race condition in the Git node's clone operation that allows authenticated users to bypass path restrictions by swapping a directory for a symlink after the path is validated but before the clone runs. This lets an attacker plant a crafted...

Important: Red Hat Security Advisory: acl security update

An update for acl is now available for Red Hat Enterprise Linux 8. 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 vulnerability from the C...

RockyLinux 9 : acl (RLSA-2026:42736)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:42736 advisory. acl: Symlink traversal privilege escalation via libacl functions CVE-2026-54369 acl: TOCTOU Symlink Traversal via getfacl/setfacl CVE-2026-54370 Tenable...

SUSE CVE-2026-63937

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when reading entries/indices from the guest-accessible Page State Change buffer to defend against TOCTOU bugs. Don't bother with READONCE/WRITEONCE...

RHEL 10 : acl (RHSA-2026:42739)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42739 advisory. Access Control Lists ACLs are used to define fine-grained discretionary access rights for files and directories. The acl packages contain...

CVE-2026-12080

CVE-2026-12080 affects the QEMU Guest Agent (qga). A local, unprivileged user can exploit the guest-ssh-add-authorized-keys handler by manipulating symbolic links through a deterministic directory-symlink bypass or a TOCTOU file-symlink race, enabling ownership of arbitrary root-owned files/direc...