Information Exposure

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Information Exposure via the MCP Streamable HTTP process when custom headers are configured and the MCP endpoint responds with a cross-origin redirect. An attacker can obtain sensitive...

@liqi0816/chrome-devtools-mcp-rebrowser (>=1.0.0, <=1.0.3), @mallocfeng/chromedev (>=0.1.0, <=0.1.8) +10 more potentially affected by CVE-2026-53765 via chrome-devtools-mcp (>=0.20.3, <=0.25.0)

chrome-devtools-mcp NPM version =0.20.3, =1.0.0, =0.1.0, =0.2.8, =0.2.7, =2.0.0, =0.1.5, =0.1.49, =1.0.5, =1.0.1, =1.0.9 Source cves: CVE-2026-53765 Source advisory: SNYK:JS-CHROMEDEVTOOLSMCP-17391448...

@liqi0816/chrome-devtools-mcp-rebrowser (>=1.0.0, <=1.0.3), @mallocfeng/chromedev (>=0.1.0, <=0.1.8) +10 more potentially affected by CVE-2026-53765 via chrome-devtools-mcp (>=0.20.3, <=0.25.0)

chrome-devtools-mcp NPM version =0.20.3, =1.0.0, =0.1.0, =0.2.8, =0.2.7, =2.0.0, =0.1.5, =0.1.49, =1.0.5, =1.0.1, =1.0.9 Source cves: CVE-2026-53765 Source advisory: OSV:GHSA-3PVJ-JV98-QHJQ...

Malicious code in @mastra/mcp-registry-registry (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 45ba997a42d41e72f38a36e0a6122b28388f73eb479dc41f7c1b77b6a75f91c8 The package was found to contain malicious code or consuming dependency that contains malicious code Source: ghsa-malware...

MAL-2026-5955 Malicious code in @mastra/mcp (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8fbae003cd01bc2b7f477773c49bbd2254e8ec61118b865fb98abcc832a3f9af The package was found to contain malicious code or consuming dependency that contains malicious code Source: ghsa-malware...

PT-2026-50534

Name of the Vulnerable Software and Affected Versions Network-AI versions prior to 5.7.2 Description The MCP SSE server allows unauthenticated cross-origin MCP tool invocation because the server defaults to an empty secret and the isAuthorized function returns true when the secret is empty. While...

CVE-2026-48989: Missing Authentication for Critical Function

Windows-MCP is an open-source project that integrates AI agents with Windows. In versions prior to 0.7.5, certain HTTP modes exposed the MCP control plane without authentication while enabling wildcard CORS alloworigins=, allowmethods=, allowheaders=. Because the same server also exposed a...

CVE-2026-48814: Missing Authentication for Critical Function

Network-AI is a TypeScript/Node.js multi-agent orchestrator. In versions 5.7.1 and earlier, the MCP SSE server allows unauthenticated cross-origin MCP tool invocation due to an empty default secret. This issue was partially addressed by CVE-2026-46701 in version 5.4.5 by closing the CORS flaw wit...

GHSA-QRX8-25QR-5R7V n8n: MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions

Impact When @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. Any network-reachable client, or any website visited by the user, can establish an MCP session and invoke browser-control tools. Whe...

NPM: n8n: MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions

NPM: n8n: MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions vulnerability discovered by ? in WordPress Npm n8n versions 2.25.7...

Duplicate Advisory: MCP Streamable HTTP redirects could forward configured custom headers to another origin

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rjxq-qqhf-8hwh. This link is maintained to preserve external references. Original Description OpenClaw before 2026.5.12 contains an information disclosure vulnerability in streamable-http MCP servers that forwar...

CVE-2026-53840

OpenClaw before 2026.5.12 contains an information disclosure vulnerability in streamable-http MCP servers that forwards operator-configured custom headers during cross-origin redirects. Attackers controlling or compromising an MCP endpoint can redirect requests to exfiltrate sensitive headers lik...

ecq-llmfactory (>=0.1.7, <=0.1.10), mcp-hive (>=0.1.0, <=0.4.0) +3 more potentially affected by CVE-2026-55443 via langchain (0.3.15)

langchain PYPI version 0.3.15 is affected by a known vulnerability. The following packages have a transitive dependency on langchain and may be impacted: - ecq-llmfactory =0.1.7, =0.1.0, =0.7.0, =0.6.51, =0.6.52 Source cves: CVE-2026-55443 Source advisory: OSV:GHSA-GR75-JV2W-4656...

mcp-hive (>=0.1.0, <=0.4.0), mmore (>=1.0.0, <=1.1.1) potentially affected by CVE-2026-55443 via langchain-anthropic (0.3.4)

langchain-anthropic PYPI version 0.3.4 is affected by a known vulnerability. The following packages have a transitive dependency on langchain-anthropic and may be impacted: - mcp-hive =0.1.0, =1.0.0, =1.1.1 Source cves: CVE-2026-55443 Source advisory: OSV:GHSA-GR75-JV2W-4656...

carton-mcp (>=0.1.80, <=0.1.83), heaven-framework (>=0.1.24, <=0.1.36) +4 more potentially affected by CVE-2026-55443 via langchain-anthropic (0.3.13)

langchain-anthropic PYPI version 0.3.13 is affected by a known vulnerability. The following packages have a transitive dependency on langchain-anthropic and may be impacted: - carton-mcp =0.1.80, =0.1.24, =0.1.5, =0.1.0, =0.1.0, =2.6.13, =2.6.22 Source cves: CVE-2026-55443 Source advisory:...

calibreweb (0.6.25), cewler (>=1.3.0, <=1.3.1) +8 more potentially affected by CVE-2026-54531 via pypdf (5.4.0)

pypdf PYPI version 5.4.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - calibreweb 0.6.25 - cewler =1.3.0, =1.1.2, =1.1.0, =1.2.0, =2025.3.0, =0.2.2, =28.3.2, =29.1.2 - ten8t 0.0.22 Source cves: CVE-2026-54531 Source...

calibreweb (0.6.25), cewler (>=1.3.0, <=1.3.1) +8 more potentially affected by CVE-2026-48735 via pypdf (5.4.0)

pypdf PYPI version 5.4.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - calibreweb 0.6.25 - cewler =1.3.0, =1.1.2, =1.1.0, =1.2.0, =2025.3.0, =0.2.2, =28.3.2, =29.1.2 - ten8t 0.0.22 Source cves: CVE-2026-48735 Source...

Malicious code in claude-token-tracker-mcp (npm)

The claude-token-tracker-mcp package presents itself as an MCP token tracking server, but its server.js invokes silentHarvest immediately when the module loads and repeats the collection every hour. The collector reads Claude configuration files from the user's home directory, searches PowerShell...

Malicious code in sp-api-dev-assistant-mcp-server (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 18b5b59005300a7a8612a3bf36d3707df573ac722e94e52a3854844345d63745 Package contains only package.json and README.md, with the README explicitly stating it is a proof-of-concept squatting an unclaimed npm name that wa...

CVE-2026-53840: Insufficiently Protected Credentials

OpenClaw before 2026.5.12 contains an information disclosure vulnerability in streamable-http MCP servers that forwards operator-configured custom headers during cross-origin redirects. Attackers controlling or compromising an MCP endpoint can redirect requests to exfiltrate sensitive headers lik...