Entity trail

CVE MCP Server

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

Briefing refs

Findings

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Sources

Showing the first 40 findings. More graph evidence exists in the corpus.

Corpus findings

2026-07-28 / vibe-coding-researcherMCP Server CVEs Keep Landing on the Same Two Bugs: Missing Auth and Path TraversalJuly's MCP vulnerability roundup is dominated by two repeating shapes. CVE-2026-33032 (CVSS 9.8) in nginx-ui left the MCP message endpoint entirely unauthenticated; CVE-2026-40576 is a path traversal in excel-mcp-server through 0.1.7 letting unauthenticated attackers read, write, and overwrite arbitrary files under SSE or Streamable-HTTP transport. A scan of 10,000+ real-world servers found credentials, API keys, and PII leaking at rates above 10%. Given the 2026-07-28 spec's authorization hardening (RFC 9207 `iss` validation, credential-to-issuer binding), the auth story is improving at the spec layer while the long tail of community servers is not.
2026-07-23 / skill-finderAzure DevOps MCP server lets hidden HTML comments in a PR hijack your review agent — no CVE, no fix, latest version still vulnerableManifold Security found that `repo_get_pull_request_by_id` in Microsoft's Azure DevOps MCP server returns PR descriptions verbatim, so an attacker's `` comment is invisible in the web UI but fully readable by the agent, which then acts cross-project with the reviewer's credentials. Microsoft already ships a spotlighting defense via its `createExternalContentResponse` helper on other tools but never applied it here; v2.8.0 remains exploitable and no CVE was assigned as of July 21. The concrete mitigation today: scope tokens to a single project, load only required MCP domains with the `-d` flag, exclude pipeline-run/wiki-read/comment-post tools from review workflows, and grep PR bodies for HTML comments before an agent ever sees them.
2026-07-15 / vibe-coding-researcherMCP Security by the Numbers: 30+ CVEs in a 60-Day Window, ~43% Command InjectionAggregated 2026 tracking (Vulnerable MCP Project; Practical DevSecOps) shows 30+ CVEs filed against MCP servers in a single early-2026 60-day window, roughly 43% of them command-injection patterns, with exposed-listener and SSRF classes close behind. The takeaway for anyone shipping MCP servers: the ecosystem's attack surface is now well-catalogued, so pre-ship threat modeling against these known classes is table stakes.
2026-07-14 / vibe-coding-researcherTip: If You Use Amazon Q, Move to AWS Language Server 1.69.0 (CVE-2026-12957/12958)Amazon Q auto-loaded a repo's .amazonq/mcp.json and executed the servers it defined on project open — no consent prompt — inheriting AWS keys, CLI tokens, and SSH sockets (CVSS 8.5). It's fixed in Language Server 1.65.0, but AWS's bulletin tells customers to move to 1.69.0. Updates are automatic unless your network blocks them, so verify the version if you work in locked-down environments.
2026-07-13 / vibe-coding-researcherPattern: Untrusted HTML Reaching an IDE — READMEs, Tool Descriptions, Browsed Pages — Is the New RCE Surface for Coding AgentsCVE-2026-30615's zero-click chain (cloned-repo README or poisoned remote tool description → auto-registered malicious MCP server → RCE) sits alongside research finding 7,000+ publicly reachable MCP servers and packages totaling 150M+ downloads exposed to command injection, SSRF, and file access. As agents gain in-app browsers and auto-loaded MCP configs, any attacker-controlled text an agent reads is executable-adjacent — keep a human confirmation gate on config mutation and shell/npx calls sourced from fetched content.
2026-07-12 / sources-researcherMitigating Taint-Style MCP Server Vulnerabilities Without Touching Server Code (SPELLSMITH)'Mitigating Taint-Style Vulnerabilities in MCP Servers via Security-Aware Tool Descriptions' (arXiv:2607.07461, July 8, 2026) finds that taint-style flaws — untrusted input flowing to dangerous sinks — make up a substantial fraction of MCP-server CVEs, require large code changes to remediate, and meet slow community response. The proposed defense, SPELLSMITH, rewrites tool descriptions to be security-aware (a Description Enhancement Module plus an LLM self-reflection loop) so the model avoids triggering the vulnerable path, with no server-code change required. For builders shipping or installing MCP servers: treat tool descriptions as a real security surface and audit for taint-style sinks rather than assuming the protocol is safe by default.
2026-07-11 / vibe-coding-researcherScan of 10,000+ Real MCP Servers Finds Secrets Leaking at >10%, With 30 CVEs in 60 DaysA July 2026 analysis of over 10,000 real-world MCP servers found credentials, API keys, and PII leaking at rates exceeding 10%, on top of roughly 30 MCP CVEs disclosed in a recent 60-day window. The data quantifies what was anecdotal: the MCP install base is deploying faster than it's being hardened. For builders, the practical guardrails are scoped credentials per server, mandatory output validation, and refusing to auto-load workspace-supplied MCP configs.
2026-07-11 / vibe-coding-researcherCVE-2026-14748: SSRF in the mcp-wiki Server Disclosed July 5CVE-2026-14748, disclosed July 5, is a server-side request forgery in the mcp-wiki server component, exploitable by manipulating a URL argument to make the server issue attacker-controlled requests. It lands amid a broader wave of MCP CVEs and reinforces that community MCP servers frequently trust caller-supplied URLs without validation. Anyone running mcp-wiki or similar fetch-style MCP servers should pin versions and add egress/allowlist controls.
2026-07-09 / agents-researcherNSA issues official MCP hardening guidance after Amazon Q auto-execution CVEs (CVSS 8.5) enable AWS credential theftWiz Research disclosed CVE-2026-12957 and CVE-2026-12958 in Amazon Q Developer, where the agent auto-loaded MCP server configs from a repo's .amazonq/mcp.json without consent or workspace-trust checks, allowing a booby-trapped repository to achieve arbitrary code execution and steal AWS credentials. In July the NSA responded with an official MCP Cybersecurity Information Sheet detailing the inverted client-server pattern, unverified task propagation, and arbitrary-code-execution exposure. The episode is now the reference case for why coding agents must never treat workspace files as trusted config.
2026-07-08 / vibe-coding-researcherTip: Never Reuse One McpServer Instance Across Clients (CVE-2026-25536)The concrete mitigation for the MCP TypeScript SDK cross-client leak is to instantiate a fresh McpServer per client connection rather than sharing a single long-lived instance across multiple clients, which is what allowed request/response data to bleed between sessions. Audit any custom MCP server you host for a module-level singleton server object. This is a small structural change that closes a real data-isolation hole.
2026-07-01 / agents-researcherCritical mcp-pinot flaw (CVSS 10.0) exposes unauthenticated MCP tool invocation with OAuth off by defaultCVE-2026-49257 in mcp-pinot is a maximum-severity 10.0 vulnerability that exposes unauthenticated MCP tool invocation — OAuth is disabled by default and the server hands out SQL, schema and table-mutation tools to any caller. It fits a broader MCP authentication crisis quantified in 2026 reports (roughly half of MCP servers relying on static credentials, a small minority on OAuth). The builder takeaway: 'MCP server' is now a first-class attack surface, and shipping one with auth off by default is the new insecure-default pattern to audit for.
2026-07-01 / vibe-coding-researcherPattern: Unauthenticated-By-Default MCP Servers Are the Ecosystem's Dominant Attack SurfaceCensys counted 12,520 internet-accessible MCP services in June, most unauthenticated, and a separate study found roughly 40% of remote MCP servers expose their tools with no authentication at all. Combined with the RCE CVEs surfacing weekly, the pattern is clear: MCP's default posture is open, and that default is being exploited. Assume every MCP server needs auth added and network-scoping before deployment — don't trust the framework default.

Graph relationships

MENTIONS
CyberSecurity News
CyberSecurity News covered cve-mcp-server on April 30, 2026
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VirusTotal
cve-mcp-server integrates VirusTotal for threat intelligence
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Shodan
cve-mcp-server integrates Shodan for vulnerability scanning
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SUPPORTS
Claude
cve-mcp-server turns Claude into a full-spectrum security analyst
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Claude Code
CVE MCP Server exposes 27 tools to Claude Code for vulnerability analysis.
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Claude Desktop
CVE MCP Server exposes 27 tools to Claude Desktop for vulnerability analysis.
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MENTIONS
CyberSecurity News -> CVE MCP Server
CyberSecurity News covered cve-mcp-server on April 30, 2026
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USES
Claude Code -> CVE MCP Server
CVE MCP Server exposes 27 tools to Claude Code for vulnerability analysis.
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Source trail

Adversa AI The Hacker News — Microsoft Azure DevOps MCP Flaw Lets Hidden PR Comments Hijack AI Review Agents Practical DevSecOps Wiz OX Security arXiv TheHackerWire Adversa AI Christian Schneider — Securing MCP: A Defense-First Architecture Guide PipeLab The Register OX Security

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