CVE-2026-103435

A flaw was found in claude-code. An attacker with write access to a shared workspace can achieve arbitrary file modification and privilege escalation by exploiting a time-of-check to time-of-use TOCTOU race condition. By replacing a project file with a symbolic link between the permission check a...

GO-2026-6657 SiYuan Agent Tools SSRF via DNS-Rebinding TOCTOU (Bypass of CheckHostSSRF) in github.com/siyuan-note/siyuan/kernel

SiYuan Agent Tools SSRF via DNS-Rebinding TOCTOU Bypass of CheckHostSSRF in github.com/siyuan-note/siyuan/kernel...

tomcat: Apache Tomcat: Local information disclosure via Unix domain socket TOCTOU race condition

A flaw was found in Apache Tomcat. A Time-of-check Time-of-use TOCTOU race condition exists when creating Unix domain sockets. This vulnerability allows an unauthorized local user to exploit the timing window to gain access to the Unix domain socket. This could lead to information disclosure or...

tomcat: Apache Tomcat: Local information disclosure via Unix domain socket TOCTOU race condition

A flaw was found in Apache Tomcat. A Time-of-check Time-of-use TOCTOU race condition exists when creating Unix domain sockets. This vulnerability allows an unauthorized local user to exploit the timing window to gain access to the Unix domain socket. This could lead to information disclosure or...

CVE-2026-103435

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

CVE-2026-103435 Arbitrary File Write via Write-Time Symlink Following (TOCTOU) in Claude Code

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

CVE-2026-103435

Claude Code is vulnerable to an arbitrary file write due to a time-of-check to time-of-use (TOCTOU) race condition. The software validates that a target file path is within the project working directory during permission checks but re-resolves the path at write time without re-validation. An atta...

CVE-2026-103435 Arbitrary File Write via Write-Time Symlink Following (TOCTOU) in Claude Code

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

EUVD-2026-94319

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

CVE-2026-103435 Arbitrary File Write via Write-Time Symlink Following (TOCTOU) in Claude Code

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

PT-2026-107492

Name of the Vulnerable Software and Affected Versions Claude Code affected versions not specified Description A time-of-check to time-of-use TOCTOU gap exists where the software validates that a target file path is within the project working directory during the permission check but re-resolves t...

CVE-2026-103435: Improper Limitation of a Pathname to a Restricted Directory

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

Rocky Linux 10.2 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_75576)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202675576 advisory. kernel: net: mana: Fix TOCTOU double-fetch of hwcmsgid from DMA buffer CVE-2026-64034 kernel: dm-integrity: don't increment hashoffset twice...

RLSA-2026:75576 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: mana: Fix TOCTOU double-fetch of hwcmsgid from DMA buffer CVE-2026-64034 kernel: dm-integrity: don't increment hashoffset twice CVE-2026-72099 Bug Fixes and Enhancements: gve: backpo...

kernel security, bug fix, and enhancement update

An update is available for kernel. 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 The kernel packages contain the Linux kernel, the core of any Linux operating...

CVE-2026-106207: Time-of-check Time-of-use (TOCTOU) Race Condition

Race condition in V8 in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-106451: Time-of-check Time-of-use (TOCTOU) Race Condition

yawkat LZ4 Java provides LZ4 compression for Java. From 1.7.0 until 1.11.4, net.jpountz.util.Native.load uses File.createTempFile to create an exclusive temporary .lck file but derives the native-library path by removing the suffix, then FileOutputStream opens that predictable path without...

CVE-2026-106405: Time-of-check Time-of-use (TOCTOU) Race Condition

Race condition in CustomTabs in Google Chrome on on Android prior to 155.0.8059.39 allowed a local attacker to bypass web origin policy via a co-installed app. Chromium security severity: Medium...

CVE-2026-106413: Time-of-check Time-of-use (TOCTOU) Race Condition

Race condition in Browser in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. Chromium security severity: Low...

CVE-2026-106300: Time-of-check Time-of-use (TOCTOU) Race Condition

Race condition in CacheStorage in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. Chromium security severity: Medium...