CVE-2026-68107

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: avoid rereading IB param length Reuse the parameter length returned by vcnv40encfindibparam instead of rereading it from the IB. This avoids a potential TOCTOU issue if the IB contents change between reads. cherr...

CVE-2026-72584

A time-of-check/time-of-use TOCTOU race condition in fastschema through v0.15.1 allows an unauthenticated remote attacker to bypass the OTP attempt limit on the account recovery flow, enabling brute-force attacks on 6-digit OTP codes...

CVE-2026-57818

The vulnerability CVE-2026-57818 affects the JCacheCodeDataProvider used in Apache CXF’s OAuth2 implementation. A TOCTOU race condition allows an attacker to redeem a single authorization code multiple times through concurrent requests, causing issuance of multiple distinct, valid access tokens. ...

CVE-2026-66314

Time-of-check time-of-use toctou race condition in Microsoft Edge Chromium-based allows an unauthorized attacker to disclose information over a network...

CVE-2026-11835 Caliptra Update-Reset Secure-Boot Bypass via Attacker-Chosen AXI Staging Address (TOCTOU)

Time-of-check time-of-use TOCTOU vulnerability combined with missing input validation in Caliptra Core ROM UpdateResetFlow::run in subsystem mode allows a compromised local attacker to silently bypass secure boot by supplying an AXI staging address that is not validated against the strap-configur...

abrt: TOCTOU race condition in abrt-dbus SetElement allows arbitrary file writes to dump directories

A time-of-check time-of-use TOCTOU race condition was found in the abrt-dbus D-Bus service's SetElement method. Between dump directory creation and post-create event execution, any local user can call SetElement to write arbitrary text files into the root-owned dump directory, bypassing package...

CVE-2026-59676

A flaw was found in policycoreutils through 3.10 in seunshare. A TOCTOU race lets a local user running in an unconfined SELinux domain delete arbitrary root-owned files. Removing critical system files can cause denial of service; integrity impact is limited to unauthorized deletion...

Siemens SIMATIC S7-1500 CPU 1518 MFP Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-2025-68261)

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 scriptid505745; scriptversion"1.4"; scriptsetattributeattribute:"pluginmodificationdate",...

OESA-2026-3143 python-filelock security update

Security Fixes: filelock is a platform-independent file lock for Python. In versions prior to 3.20.1, a Time-of-Check-Time-of-Use TOCTOU race condition allows local attackers to corrupt or truncate arbitrary user files through symlink attacks. The vulnerability exists in both Unix and Windows loc...

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...

DEBIAN-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...

GHSA-725Q-C4VP-Q4CG Duplicate Advisory: Race Condition in Git Clone Node Allows Authenticated Users to Achieve Remote Code Execution

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-g3r5-9h93-4j2c. This link is maintained to preserve external references. Original Description 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 allow...

GHSA-GX3V-Q759-G323 Gitea: TOTP TOCTOU race on web 2FA paths + missing replay check on Basic-Auth `X-Gitea-OTP` surface

Summary I'm reporting two related TOTP one-time-use defects in Gitea that survive the CVE-2021-45331 fix. The 2018 fix PR 3878 introduced the TwoFactor.LastUsedPasscode field and added an in-memory inequality check on the web 2FA login path. That check works correctly in the single-request case,...

acl: TOCTOU Symlink Traversal via getfacl/setfacl

A time-of-check to time-of-use TOCTOU race condition vulnerability was found in acl. By replacing a pathname component with a symbolic link between a security check and subsequent file operations, an attacker can redirect file access control list operations. This occurs when privileged processes...

acl: TOCTOU Symlink Traversal via getfacl/setfacl

A time-of-check to time-of-use TOCTOU race condition vulnerability was found in acl. By replacing a pathname component with a symbolic link between a security check and subsequent file operations, an attacker can redirect file access control list operations. This occurs when privileged processes...

Important: acl security update

Access Control Lists ACLs are used to define fine-grained discretionary access rights for files and directories. The acl packages contain the getfacl and setfacl utilities needed for manipulating access control lists. Security Fixes: acl: Symlink traversal privilege escalation via libacl function...

CVE-2026-12080 Qemu-kvm: qemu-guest-agent: local privilege escalation via symlink attack in guest-ssh-add-authorized-keys

A flaw was found in the QEMU Guest Agent qga. A local unprivileged user can exploit a vulnerability in the guest-ssh-add-authorized-keys command handler by manipulating symbolic links. This can occur either through a deterministic directory-symlink bypass or a Time-of-Check to Time-of-Use TOCTOU...

CVE-2026-12080

A flaw was found in the QEMU Guest Agent qga. A local unprivileged user can exploit a vulnerability in the guest-ssh-add-authorized-keys command handler by manipulating symbolic links. This can occur either through a deterministic directory-symlink bypass or a Time-of-Check to Time-of-Use TOCTOU...

CVE-2026-12080

A flaw was found in the QEMU Guest Agent qga. A local unprivileged user can exploit a vulnerability in the guest-ssh-add-authorized-keys command handler by manipulating symbolic links. This can occur either through a deterministic directory-symlink bypass or a Time-of-Check to Time-of-Use TOCTOU...

EUVD-2026-45776

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: fix TOCTOU race for reported vlans The local TT based TVLV is generated by first checking the number of VLANs which have at least one TT entry. A new buffer with the correct size for the VLANs is then allocated...