EUVD-2026-17681

Claude SDK for Python: Memory Tool Path Validation Race Condition Allows Sandbox Escape...

Directory Traversal

Overview @anthropic-ai/sdk is a The official TypeScript library for the Anthropic API Affected versions of this package are vulnerable to Directory Traversal via improper validation of user-supplied paths in the memory tool. An attacker can access or modify files outside the intended sandboxed...

Claude SDK for TypeScript: Memory Tool Path Validation Allows Sandbox Escape to Sibling Directories

The local filesystem memory tool in the Anthropic TypeScript SDK validated model-supplied paths using a string prefix check that did not append a trailing path separator. A model steered by prompt injection could supply a crafted path that resolved to a sibling directory sharing the memory root's...

GHSA-5474-4W2J-MQ4C Claude SDK for TypeScript: Memory Tool Path Validation Allows Sandbox Escape to Sibling Directories

The local filesystem memory tool in the Anthropic TypeScript SDK validated model-supplied paths using a string prefix check that did not append a trailing path separator. A model steered by prompt injection could supply a crafted path that resolved to a sibling directory sharing the memory root's...

EUVD-2026-17677

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

Insecure Default Initialization of Resource

Overview Affected versions of this package are vulnerable to Insecure Default Initialization of Resource due to DNS rebinding protection being disabled by default in HTTP-based servers using StreamableHTTPHandler or SSEHandler. An attacker can access internal resources or invoke tools exposed by...

Auth0 PHP SDK has Insufficient Entropy in Cookie Encryption

Impact In applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. Am I Affected? Consumers are affected if their application meets the following preconditions: - The...

CVE-2026-34236 Auth0 PHP SDK Insufficient Entropy in Cookie Encryption

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. From version 8.0.0 to before version 8.19.0, in applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session...

CVE-2026-34236

CVE-2026-34236 affects the Auth0-PHP SDK. In versions 8.0.0 through 8.18.0, cookies are encrypted with insufficient entropy, which may allow threat actors to brute-force the encryption key and forge session cookies. Multiple trusted sources (NVD, Red Hat, CIRCL, OSV, PT Security, CNNVD) consisten...

CVE-2026-34236 Auth0 PHP SDK Insufficient Entropy in Cookie Encryption

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. From version 8.0.0 to before version 8.19.0, in applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session...

CVE-2026-34237

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1...

Malicious code in polymarkets-sdk (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 facfcba74011619f5bb2eaf096e41239f81520cb4effff3b45f8b42c84d42060 During import, the code attempts to exfiltrate to a hardcoded location sensitive data, including private SSH keys, cloud credentials and Windows SAM database...

MAL-2026-2403 Malicious code in polymarkets-sdk (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 facfcba74011619f5bb2eaf096e41239f81520cb4effff3b45f8b42c84d42060 During import, the code attempts to exfiltrate to a hardcoded location sensitive data, including private SSH keys, cloud credentials and Windows SAM database...

PYSEC-2026-2115

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 async local filesystem memory tool in the Anthropic Python SDK validated that model-supplied paths resolved inside the sandboxed memory directory, but then...

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-2026-34451

CVE-2026-34451 — Claude SDK for TypeScript (Anthropic) . The local filesystem memory tool in the Anthropic TypeScript SDK (server-side) from version 0.79.0 up to before 0.81.0 validates model-supplied paths via a string prefix check that omits a trailing path separator, allowing a crafted path to...

CVE-2026-34451 Claude SDK for TypeScript: Memory Tool Path Validation Allows Sandbox Escape to Sibling Directories

Claude SDK for TypeScript provides access to the Claude API from server-side TypeScript or JavaScript applications. From version 0.79.0 to before version 0.81.0, the local filesystem memory tool in the Anthropic TypeScript SDK validated model-supplied paths using a string prefix check that did no...

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 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-2026-34452 Claude SDK for Python: Memory Tool Path Validation Race Condition Allows Sandbox Escape

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 async local filesystem memory tool in the Anthropic Python SDK validated that model-supplied paths resolved inside the sandboxed memory directory, but then...