CVE-2026-41991 Predictable Temporary File in GNU gzip

GNU gzip contains a vulnerability in the gzexe utility related to insecure temporary file handling. When the mktemp utility is not available in the user’s PATH, gzexe falls back to constructing a temporary file path based solely on the process ID PID. This predictable filename is created without...

CVE-2026-13742: Time-of-check Time-of-use (TOCTOU) Race Condition

Honeywell IQ MultiAccess, all versions prior to and including version 28, contain an improper digital signature verification vulnerability. An attacker could potentially exploit this vulnerability, leading to the replacement of downloaded file with a malicious one. Honeywell also recommends...

CVE-2026-57959: Time-of-check Time-of-use (TOCTOU) Race Condition

Hi.Events through 1.9.0 contains a promo code validation vulnerability where reservation validates usage count before asynchronous UpdateEventStatisticsJob increments it, allowing attackers to redeem limited promo codes unlimited times. Attackers can sequentially reserve multiple orders with the...

PT-2026-53255

Name of the Vulnerable Software and Affected Versions GNU gzip affected versions not specified Description The gzexe utility handles temporary files insecurely. If the mktemp utility is missing from the user's PATH, gzexe generates a temporary file path using only the process ID PID. Because this...

rsync security update

3.2.5-7.2 - Fix integer overflow in compressed-token decoding CVE-2026-43618 - Resolves: RHEL-174932 3.2.5-7.1 - Fix TOCTOU symlink race in daemon no-chroot mode CVE-2026-29518 - Resolves: RHEL-174952 3.2.5-4 - Resolves: RHEL-104404 - Do not clear DISPLAY unconditionally...

CVE-2026-54370: Time-of-check Time-of-use (TOCTOU) Race Condition

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-2026-41991: Insecure Temporary File

GNU gzip contains a vulnerability in the gzexe utility related to insecure temporary file handling. When the mktemp utility is not available in the user’s PATH, gzexe falls back to constructing a temporary file path based solely on the process ID PID. This predictable filename is created without...

CVE-2026-13502

A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is...

CVE-2026-13502 antlr ANTLR4 Maven Plugin GrammarDependencies.java ObjectInputStream.readObject toctou

A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is...

CVE-2026-13502: Time-of-check Time-of-use (TOCTOU) Race Condition

A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is...

CVE-2026-52885 Notepad++ TOCTOU: HMAC Checks Disk, Executes from Memory

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.4, NppCommands.cpp checks the HMAC of the on-disk shortcuts.xml at the moment a user command fires Time-of-Check. However, the command payload is taken from the in-memory userCommands vector, which is populated at application...

Security update for util-linux

This update for util-linux fixes the following issue CVE-2026-27456: TOCTOU in the mount program when setting up loop devices bsc1261606. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively you can r...

SUSE SLES12: libblkid-devel / libblkid1 / libblkid1-32bit / libfdisk1 / etc (SUSE-SU-2026:2492-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:2492-1 advisory. This update for util-linux fixes the following issue - CVE-2026-27456: TOCTOU in the mount program when setting up loop devices bsc1261606. Tenable has...

CVE-2026-52885: Time-of-check Time-of-use (TOCTOU) Race Condition

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.4, NppCommands.cpp checks the HMAC of the on-disk shortcuts.xml at the moment a user command fires Time-of-Check. However, the command payload is taken from the in-memory userCommands vector, which is populated at application...

PT-2026-53023

Name of the Vulnerable Software and Affected Versions Aimeos Pagible versions prior to 0.10.4 Description The administrative proxy route /cmsproxy is susceptible to Server-Side Request Forgery SSRF through DNS Rebinding. This occurs due to a Time-of-Check to Time-of-Use TOCTOU race condition—a...

CVE-2026-54353: Time-of-check Time-of-use (TOCTOU) Race Condition

Budibase is an open-source low-code platform. Prior to 3.39.9, authenticated users with automation permissions can bypass Budibase's SSRF blacklist through DNS rebinding. The outbound fetch flow validates a hostname against the blacklist before the request is sent, but the actual socket connectio...

Aimeos Pagible CMS vulnerable to Server Side Request Forgery (SSRF) via DNS rebinding in admin proxy

The administrative proxy route cmsproxy in Aimeos Pagible CMS is vulnerable to a Server-Side Request Forgery SSRF attack via DNS Rebinding. A Time-of-Check to Time-of-Use TOCTOU race condition exists between the URL validation phase and the actual HTTP request phase, allowing attackers to access...

GO-2026-5160 Omni has a TOCTOU race condition that allows multiple concurrent uses of a single-use SAML session token in github.com/siderolabs/omni

Omni has a TOCTOU race condition that allows multiple concurrent uses of a single-use SAML session token in github.com/siderolabs/omni...

CVE-2026-53250 xsk: cache csum_start/csum_offset to fix TOCTOU in xsk_skb_metadata()

In the Linux kernel, the following vulnerability has been resolved: 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 by userspace. In xskskbmetadata, csumstart and csumoffset are read...

CVE-2026-53250

In the Linux kernel, the following vulnerability has been resolved: 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 by userspace. In xskskbmetadata, csumstart and csumoffset are read...