VulnSocial

CVE-2026-59971Patch

MEDIUM

Exploitation ongoing with high activity in latest observed window (2 mentions)

Immediate actions

  • Patch affected systems immediately
  • Assume compromise if assets are exposed

Recommended action window: Immediate (within 24h)

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4.0/ 10 priority

Priority

MEDIUM

Exploitation

ACTIVE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Active exploitation appears in 1 classified signals
  • Patch or workaround signal is available
  • 6 mentions across 4 observed days
  • Momentum state: stable

What's happening

  • Active exploitation reported across 1 signal
  • Patch or workaround mentioned in 3 signals
  • Technical details provided in 4 signals
  • Disclosure: 2 classified signals
  • Peaked 2d ago at 2 mentions (2026-09-12); latest day: 2
  • 6 total mentions across 4 days

Deep dive

Activity timeline6 mentions / 4d
01122Mentions · 2026-09-11: 1Mentions · 2026-09-12: 2Mentions · 2026-09-15: 1Mentions · 2026-09-16: 2Active Exploitation · 2026-09-15: 1Patch / Workaround · 2026-09-11: 1Patch / Workaround · 2026-09-12: 2Technical Details · 2026-09-11: 1Technical Details · 2026-09-12: 2Technical Details · 2026-09-16: 109-1109-1209-1509-16
Signal classification4 categories
Patch
233.3%
Disclosure
233.3%
Active Exploitation
116.7%
General
116.7%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-09-111
Patch1
2026-09-122
Disclosure1Patch1
2026-09-151
Active Exploitation1
2026-09-162
Disclosure1General1
Full discourse6 posts
  • Rıdvan Yağlı@ridvanyagli
    Patch

    🔴 MySQL MCP Server (mysql-mcp-server)'da kritik açık: CVE-2026-59971 (CVSS 10.0) PyPI'daki "mysql-mcp-server < 0.4.2" sürümlerini etkileyen açık, özellikle SSE/HTTP transport kullanan MCP sunucularında kimlik doğrulaması olmadan SQL sorgusu çalıştırılmasına izin veriyor. Saldırgan, execute_sql üzerinden MySQL'e kendi belirlediği sorguları gönderebilir. MySQL kullanıcısının yetkilerine bağlı olarak veriler okunabilir, değiştirilebilir veya silinebilir. Ayrıca FILE yetkisi gibi uygun MySQL izinleri mevcutsa, arbitrary file read/write ve potansiyel RCE'ye kadar ilerleyebilecek saldırı zincirleri mümkün. Etkilenen:mysql-mcp-server < 0.4.2 Düzeltilen: 0.4.2 Özellikle internete açık SSE/HTTP tabanlı MCP sunucuları kontrol edilmeli ve güncellenmeli. Security Advisory: https://github.com/advisories/GHSA-rqfv-2mw9-78g2

    Post summary

    A critical authentication bypass in mysql‑mcp‑server <0.4.2 permits unauthenticated attackers to execute arbitrary SQL and potentially achieve remote code execution; a patch is released in version 0.4.2.

    1511842.4K
    2.4K followersView on X
  • Aikido Community Japan@AikidoCommJP
    Disclosure

    MCPサーバをHTTPで公開した瞬間、あなたのローカルが世界に公開される。 この話の論点は、脆弱性というより、まさにここ。 MySQL MCP ServerでCVSS 10.0（CVE-2026-59971）。 原因が興味深い。 ローカル利用を前提に作ったMCPをSSE/HTTPで動かすと、それはもうネットワークAPI。 ところが今回の実装は、 ・認証なし ・0.0.0.0で待受 ・Host / Origin検証なし ・execute_sqlでSQLをそのまま実行 という組み合わせだった。 実際にJHUの研究者がスキャンしたところ、25台がインターネットから到達可能だった。 つまり問題は、SQL実行機能そのものより、安全側のデフォルトになっていなかったこと。 対策もまず入口から。 ・不要ならHTTPで公開しない ・127.0.0.1にbindする ・外部公開するなら認証を入れる ・Host / Originを検証する ・FW / Security Groupで到達元を絞る MCPは「AIの便利な部品」ではない。 HTTPにした瞬間、権限を持ったサーバになる。 実は、僕のMCP群も先日、不要なホスト側へのポート公開をやめて、コンテナ内部の通信だけに切り替えた。 #MCP #MCPServer #AIセキュリティ #CyberSecurity #MySQL

    Post summary

    The post announces CVE-2026-59971 in MySQL MCP Server, describing an insecure configuration that permits unauthenticated SQL execution, and provides mitigation recommendations.

    42042780
    1.9K followersView on X
  • Aretiq.AI@AretiqAI
    Active Exploitation

    ARETIQ Daily Vulnerability Bulletin — September 15, 2026 🔴 CRITICAL: CVE-2026-59971 (designcomputer/mysql_mcp_server) AAS 13.8 🔴 CRITICAL: CVE-2026-46488 (motioneye-project/motioneye) AAS 13.3 — exploited ITW (X/Twitter signals) 31 vulnerabilities — CRITICAL: 2, HIGH: 29 Full bulletin: https://aretiq.ai/bulletins/2026-09-15/

    Post summary

    The bulletin highlights two critical CVEs, with a specific callout that CVE-2026-46488 in motioneye is actively exploited in the wild based on Twitter signals.

    0002069
    231 followersView on X
  • ExploitGrid@exploitgrid
    General

    🛡️ #ExploitGrid Daily #Threat Digest Top Vulnerabilities (CVEs) of the day CVE-2026-53710 CVE-2026-59971 CVE-2026-71133 CVE-2026-83020 CVE-2026-83021 ..🧵👇

    Post summary

    The text announces a daily threat digest listing five CVEs but provides no additional context regarding exploits, patches, active exploitation, or technical details. It functions as a general vulnerability awareness post with minimal actionable information.

    1000081
    45 followersView on X
  • Upwind Security MDR@UpwindMDR
    Patch

    🚨Critical - mysql-mcp-server Unauth SQL Execution via Insecure SSE Transport (CVE-2026-59971) In mysql-mcp-server SSE/HTTP mode, SseServerTransport is created without security settings, leaving the Starlette app without CORS/TrustedHost protections and no auth (DNS-rebinding protection disabled). Unauthenticated attackers can call execute_sql to run arbitrary SQL against the configured DB, potentially enabling file read/write and RCE via MySQL FILE privileges. 👉Affected: mysql-mcp-server < 0.4.2 | Upgrade to 0.4.2

    Post summary

    The advisory highlights a critical unauthenticated SQL injection flaw in mysql-mcp-server, recommends upgrading to version 0.4.2, and details how the vulnerability could lead to RCE.

    1000098
    304 followersView on X
  • ExploitGrid@exploitgrid
    Disclosure

    [CVE] CVE-2026-59971 [HIGH PRIORITY] #MySQL MCP Server: Missing Origin/Host Validation in SSE Transport Enables Una... 🔗 https://exploitgrid.net/cve/CVE-2026-59971

    Post summary

    The post announces CVE-2026-59971 as a high-priority vulnerability in MySQL MCP Server caused by missing origin/host validation in SSE transport, linking to an external CVE details page without providing exploit code, patch information, or evidence of active exploitation.

    0000043
    45 followersView on X

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