nodejs: Nodejs filesystem permissions bypass

A file access flaw has been discovered in NodeJS. A file's access and modification timestamps to be changed via futimes even when the process has only read permissions. Unlike utimes, futimes does not apply the expected write-permission checks, which means file metadata can be modified in read-on...

nodejs: Nodejs file permissions bypass

A flaw in Node.js’s Permissions model allows attackers to bypass --allow-fs-read and --allow-fs-write restrictions using crafted relative symlink paths. By chaining directories and symlinks, a script granted access only to the current directory can escape the allowed path and read sensitive files...

nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and ownership via incomplete security fix.

A flaw was found in Node.js. An incomplete security fix allows code operating under restricted file system write permissions to bypass these limitations. This vulnerability enables the modification of file permissions and ownership on already-open files, even when explicit write access is denied...

CVE-2026-4482 Insight Agent Private Key Information Disclosure via Inherited File Permissions

The installer certificate files in the …/bootstrap/common/ssl folder do not seem to have restricted permissions on Windows systems users have read and execute access. For the client.key file in particular, this could potentially lead to exploits, as this exposes agent identity material to any...

CVE-2026-4482 Insight Agent Private Key Information Disclosure via Inherited File Permissions

The installer certificate files in the …/bootstrap/common/ssl folder do not seem to have restricted permissions on Windows systems users have read and execute access. For the client.key file in particular, this could potentially lead to exploits, as this exposes agent identity material to any...

nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and ownership via incomplete security fix.

A flaw was found in Node.js. An incomplete security fix allows code operating under restricted file system write permissions to bypass these limitations. This vulnerability enables the modification of file permissions and ownership on already-open files, even when explicit write access is denied...

RHEL 9 : nodejs:24 (RHSA-2026:7350)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:7350 advisory. Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language...

CVE-2025-57854 Osus-operator: privilege escalation via excessive /etc/passwd permissions

A container privilege escalation flaw was found in certain OpenShift Update Service OSUS images. This issue stems from the /etc/passwd file being created with group-writable permissions during build time. In certain conditions, an attacker who can execute commands within an affected container, ev...

CVE-2025-57853

A container privilege escalation flaw was found in certain Web Terminal images. This issue stems from the /etc/passwd file being created with group-writable permissions during build time. In certain conditions, an attacker who can execute commands within an affected container, even as a non-root...

CVE-2026-32282 TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix

On Linux, if the target of Root.Chmod is replaced with a symlink while the chmod operation is in progress, Chmod can operate on the target of the symlink, even when the target lies outside the root. The Linux fchmodat syscall silently ignores the ATSYMLINKNOFOLLOW flag, which Root.Chmod uses to...

Insecure File Permissions

Claude SDK for Python is vulnerable to insecure file permissions. The vulnerability is due to the memory tool creating files with mode 0o666, where the files are world‑readable on systems with a standard umask and world‑writable in environments with a permissive umask, and a local attacker on a...

nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and ownership via incomplete security fix.

A flaw was found in Node.js. An incomplete security fix allows code operating under restricted file system write permissions to bypass these limitations. This vulnerability enables the modification of file permissions and ownership on already-open files, even when explicit write access is denied...

Claude SDK for Python has Insecure Default File Permissions in Local Filesystem Memory Tool

The local filesystem memory tool in the Anthropic Python SDK created memory files with mode 0o666, leaving them world-readable on systems with a standard umask and world-writable in environments with a permissive umask such as many Docker base images. A local attacker on a shared host could read...

EUVD-2026-17677

Claude SDK for Python has Insecure Default File Permissions in Local Filesystem Memory Tool...

nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and ownership via incomplete security fix.

A flaw was found in Node.js. An incomplete security fix allows code operating under restricted file system write permissions to bypass these limitations. This vulnerability enables the modification of file permissions and ownership on already-open files, even when explicit write access is denied...

PYSEC-2026-2114

The Claude SDK for Python provides access to the Claude API from Python applications. From version 0.86.0 to before version 0.87.0, the local filesystem memory tool in the Anthropic Python SDK created memory files with mode 0o666, leaving them world-readable on systems with a standard umask and...

CVE-2026-21716

A flaw was found in Node.js. An incomplete security fix allows code operating under restricted file system write permissions to bypass these limitations. This vulnerability enables the modification of file permissions and ownership on already-open files, even when explicit write access is denied...

CVE-2026-34450 Claude SDK for Python: Insecure Default File Permissions in Local Filesystem Memory Tool

The Claude SDK for Python provides access to the Claude API from Python applications. From version 0.86.0 to before version 0.87.0, the local filesystem memory tool in the Anthropic Python SDK created memory files with mode 0o666, leaving them world-readable on systems with a standard umask and...

CVE-2026-34450

The Claude SDK for Python (Anthropic) suffers a local-file-permission issue in its local filesystem memory tool: versions 0.86.0 up to before 0.87.0 create memory files with mode 0o666, making them world-readable on typical umasks and world-writable on permissive Docker images. A local attacker o...

PT-2026-29378

The Claude SDK for Python provides access to the Claude API from Python applications. From version 0.86.0 to before version 0.87.0, the local filesystem memory tool in the Anthropic Python SDK created memory files with mode 0o666, leaving them world-readable on systems with a standard umask and...