Chaos ransomware's msaRAT: Living off the browser to build a covert C2 channel

Cisco Talos has discovered a new Rust-based remote access trojan RAT we call "msaRAT" attributed to the Chaos ransomware group. The name is derived from the binding names found in the binary: "msaOpen," "msaClose," "msaError," and "msaMessage". msaRAT is implemented using the Tokio asynchronous...

CVE-2026-53633 Vitest: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to u...

EUVD-2026-44403

Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to u...

CVE-2026-53633 Vitest: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to u...

CVE-2026-53633 Vitest: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to u...

Missing Authorization

Overview @vitest/coverage-v8 is a V8 coverage provider for Vitest Affected versions of this package are vulnerable to Missing Authorization in the cdp API exposed by the browser WebSocket RPC, which allows forwarding of raw Chrome DevTools Protocol methods without proper enforcement of write and...

Vitest Browser: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

Summary Vitest Browser Mode exposes a cdp API that forwards raw Chrome DevTools Protocol CDP methods over the Vitest browser WebSocket RPC. CDP is not gated by browser.api.allowWrite, browser.api.allowExec, api.allowWrite, or api.allowExec. As a result, disabling Browser Mode write and exec...

GHSA-G8MR-85JM-7XHM Vitest Browser: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

Summary Vitest Browser Mode exposes a cdp API that forwards raw Chrome DevTools Protocol CDP methods over the Vitest browser WebSocket RPC. CDP is not gated by browser.api.allowWrite, browser.api.allowExec, api.allowWrite, or api.allowExec. As a result, disabling Browser Mode write and exec...

Missing Authorization

Overview vitest is a Next generation testing framework powered by Vite Affected versions of this package are vulnerable to Missing Authorization in the cdp API exposed by the browser WebSocket RPC, which allows forwarding of raw Chrome DevTools Protocol methods without proper enforcement of write...

NPM: Vitest Browser: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

NPM: Vitest Browser: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE vulnerability discovered by ? in WordPress Npm vite-plus versions = 0.1.23...

Missing Authorization

Overview @vitest/browser is a Browser running for Vitest Affected versions of this package are vulnerable to Missing Authorization in the cdp API exposed by the browser WebSocket RPC, which allows forwarding of raw Chrome DevTools Protocol methods without proper enforcement of write and exec...

PT-2026-49576

Name of the Vulnerable Software and Affected Versions Vitest affected versions not specified Description Browser Mode exposes a cdp API that forwards raw Chrome DevTools Protocol CDP methods over the browser WebSocket RPC. This API is not restricted by the browser.api.allowWrite,...

EUVD-2026-28175

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration...

EUVD-2026-28166

OpenClaw before 2026.4.9 contains a file read vulnerability allowing attackers to bypass navigation guards through browser act/evaluate interactions. Attackers can pivot into the local CDP origin and create or read disallowed file:// pages despite direct navigation policy restrictions...

Duplicate Advisory: OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-f7fh-qg34-x2xh. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket...

CVE-2026-43581

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration...

CVE-2026-43581

Technical details are not publicly available in the provided documents. Monitor for updates to official advisories for specifics on affected components, impact, and remediation.

CVE-2026-43581 OpenClaw < 2026.4.10 - Chrome DevTools Protocol Exposure via Overly Broad CDP Relay Binding

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration...

CVE-2026-43581

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration...

CVE-2026-43581 OpenClaw < 2026.4.10 - Chrome DevTools Protocol Exposure via Overly Broad CDP Relay Binding

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration...