vLLM <= 0.23.0 - Anthropic Router Heap Address Information Leak

vLLM = 0.23.0 incompletely fixes CVE-2026-22778. The original fix added sanitizemessage to the OpenAI router but the Anthropic-compatible router /v1/messages echoes strexc directly. id: CVE-2026-54236 info: name: vLLM = 0.23.0 - Anthropic Router Heap Address Information Leak author: kenlacroix...

MCP Inspector < 0.14.0 UnauthenticatedRemote Code Execution

The MCP inspector is a developer tool for testing and debugging MCP servers. Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio. id...

CVE-2026-7574 Anthropic Claude Desktop Cowork VM Image Contents Not Validated Before Use

Anthropic Claude Desktop Cowork VM image handling confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0 validates only file presence and a version marker string before booting rootfs.img, but does not verify image content integrity at time-of-use. A local...

CVE-2026-7574

Anthropic Claude Desktop Cowork VM images (v1.1348.0–v1.2278.0) do not validate the contents of rootfs.img at time-of-use; only file presence and a version marker are checked. A local, unprivileged macOS user can modify the VM root filesystem image and have it trusted on subsequent Cowork VM boot...

CVE-2026-54236

vLLM is an inference and serving engine for large language models LLMs. Prior to 0.23.1rc0, the fix for CVE-2026-22778, which introduced a sanitizemessage helper that strips object-repr memory addresses from error messages before they reach the client, is incomplete: several response paths echo...

CVE-2026-54236 vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via Anthropic router

vLLM is an inference and serving engine for large language models LLMs. Prior to 0.23.1rc0, the fix for CVE-2026-22778, which introduced a sanitizemessage helper that strips object-repr memory addresses from error messages before they reach the client, is incomplete: several response paths echo...

CVE-2026-54236

CVE-2026-54236 affects vLLM versions before 0.23.1rc0. Five code paths bypass the sanitize_message global exception handler, leaking heap addresses via exception messages: (1) Anthropic API router POST /v1/messages and POST /v1/messages/count_tokens (vllm/entrypoints/anthropic/api_router.py), (2)...

CVE-2026-54236

vLLM is an inference and serving engine for large language models LLMs. Prior to 0.23.1rc0, the fix for CVE-2026-22778, which introduced a sanitizemessage helper that strips object-repr memory addresses from error messages before they reach the client, is incomplete: several response paths echo...

Malicious code in free-anthropic-claude (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 11bfe96b56a6615a50639b25de793e14044ea393c2029b26fa4e1b9e3dc5a22f This package impersonates the Anthropic Claude SDK name and description claim to be an 'Official Anthropic Claude SDK wrapper', author is...

MAL-2026-6260 Malicious code in free-anthropic-claude (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 11bfe96b56a6615a50639b25de793e14044ea393c2029b26fa4e1b9e3dc5a22f This package impersonates the Anthropic Claude SDK name and description claim to be an 'Official Anthropic Claude SDK wrapper', author is...

GHSA-HGG8-FQQC-VFMW vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via Anthropic router

vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via the Anthropic API router Researcher: Kai Aizen — SnailSploit @SnailSploit, Adversarial & Offensive Security Research Severity: CVSS 3.1 5.3 Medium AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Target: https://github.com/vllm-project/vllm ---...

vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via Anthropic router

vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via the Anthropic API router Researcher: Kai Aizen — SnailSploit @SnailSploit, Adversarial & Offensive Security Research Severity: CVSS 3.1 5.3 Medium AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Target: https://github.com/vllm-project/vllm ---...

PT-2026-50491

Name of the Vulnerable Software and Affected Versions vLLM versions prior to 0.23.1rc0 Description An incomplete fix for a previous memory leak issue allows unauthenticated attackers to leak heap memory addresses. The system fails to properly sanitize error messages in several response paths,...

MAL-2026-5717 Malicious code in claudechor (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4a9cbb36cf7ed82685830b5d3a2b341bff9ef86e2688842d1f54259b2b6fb533 The package's bin entry reads installer-owned Claude credential files /.claude/.credentials.json and /.claude.json — written by Anthropic's official...

Malicious code in beamz (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c380f1f0fc3c5cf723cd7d92bf41c30f622aafaa633a32f0a78bf91a3a769d2a The package advertises itself as a credential-transfer CLI but implements transfer by reading the user's Anthropic Claude Code credentials...

MAL-2026-5716 Malicious code in beamz (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c380f1f0fc3c5cf723cd7d92bf41c30f622aafaa633a32f0a78bf91a3a769d2a The package advertises itself as a credential-transfer CLI but implements transfer by reading the user's Anthropic Claude Code credentials...

Anthropic Offers Mythos Upgrade for Cyber Partners and a ‘Safe’ Version for the Rest of You

Anthropic is releasing Claude Mythos 5 to trusted organizations and Claude Fable 5 to the public, a version it says can’t be used for cyberattacks...

Crypto-Funded Chinese Peptide Labs Are Booming

Plus: Hackers use Meta’s AI bots to hack Instagram accounts, Anthropic helps NSA hackers, a decades-long GPS satellite mystery may have been solved, and more...

CVE-2026-41863

Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories. Affected versions: Spring AI: 1.1.0...

Securing CI/CD in an agentic world: Claude Code Github action case

Microsoft Threat Intelligence discovered that Anthropic's Claude Code GitHub Action could expose CI/CD workflow secrets when AI agents process untrusted GitHub content, including issue bodies, pull request descriptions, and comments. We found that while Claude Code Action supported environment...