CVE-2025-11953

Published Nov 3, 2025

Last updated 3 days ago

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-11953 is a vulnerability in the `@react-native-community/cli` NPM package, specifically affecting versions 4.8.0 through 20.0.0-alpha.2. This flaw stems from the Metro development server, used by React Native, binding to external interfaces by default and exposing an "/open-url" endpoint susceptible to OS command injection. The vulnerability allows unauthenticated network attackers to send a POST request to the server, running arbitrary executables. On Windows, attackers can execute arbitrary shell commands with fully controlled arguments. While macOS and Linux systems have slightly more restricted exploitation paths, researchers believe arbitrary command execution is achievable. The package has been patched in version 20.0.0.

Description
The Metro Development Server, which is opened by the React Native Community CLI, binds to external interfaces by default. The server exposes an endpoint that is vulnerable to OS command injection. This allows unauthenticated network attackers to send a POST request to the server and run arbitrary executables. On Windows, the attackers can also execute arbitrary shell commands with fully controlled arguments.
Source
reefs@jfrog.com
NVD status
Analyzed
Products
react_native_community_cli

Risk scores

CVSS 3.1

Type
Secondary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

Known exploits

Data from CISA

Vulnerability name
React Native Community CLI OS Command Injection Vulnerability
Exploit added on
Feb 5, 2026
Exploit action due
Feb 26, 2026
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

reefs@jfrog.com
CWE-78

Social media

Hype score
Not currently trending
  1. 🚨 React Native Community CLI (Metro4Shell) : Alerte Critique avec Exploitation Active de CVE-2025-11953 https://t.co/lGbBWkNESY

    @NicolasCoolman

    9 Feb 2026

    36 Impressions

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  2. CISA has added two actively exploited vulnerabilities to its Known Exploited Vulnerabilities Catalog: CVE-2025-11953 (React Native CLI OS command injection) and CVE-2026-24423 (SmarterMail missing authentication). #VulnerabilityUpdate #SoftwareRisk https://t.co/YCHFkiEwSY

    @TweetThreatNews

    8 Feb 2026

    176 Impressions

    1 Retweet

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  3. So CISA just added CVE-2025-11953 to the KEV catalog and honestly this one caught my eye. React Native CLI. CVSS 9.8. Unauthenticated command injection. 2 million downloads a week. Thread 🧵👇

    @SysTrack40

    8 Feb 2026

    41 Impressions

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    1 Reply

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  4. Just learned: A critical RCE flaw (CVE-2025-11953) in the React Native CLI npm package was recently added to CISA's list of actively exploited vulnerabilities! If you're a React Native dev, make sure to apply the fixes by February 26th. Keeping our projects secure is key!

    @AtworkCody

    7 Feb 2026

    46 Impressions

    0 Retweets

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  5. 🚨Hackers Exploit Critical React Native Metro Flaw to Compromise Developer Systems (CVE-2025-11953) 🔗 https://t.co/7y9AAzzvZV #cybersecurity #infosec #threatintel https://t.co/RsHLxgXd3I

    @zerodaywire

    7 Feb 2026

    69 Impressions

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    2 Replies

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  6. Heads up, dev friends! There's a critical security flaw in the React Native Metro dev server that hackers are actively exploiting to deliver malware to Windows and Linux machines. It's tracked as CVE-2025-11953. Make sure your projects are patched up! Stay safe out there.

    @AtworkCody

    6 Feb 2026

    47 Impressions

    0 Retweets

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  7. CISAが2つの既知の脆弱性をカタログに追加 https://t.co/0Snq0txzN1 CVE-2025-11953 React NativeコミュニティCLI OSコマンドインジェクション脆弱性 CVE-2026-24423 SmarterTools SmarterMail の重要な機能の認証が欠落している脆弱性

    @cloudsec_news

    6 Feb 2026

    57 Impressions

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  8. #Hackers managed to exploit a critical React Native CLI flaw (CVE-2025-11953) to run remote commands and drop stealthy #Rust #malware. #CyberSecurity #InfoSec https://t.co/w8xoXWO8mD https://t.co/P87EPC00WU

    @twelvesec

    6 Feb 2026

    131 Impressions

    1 Retweet

    1 Like

    0 Bookmarks

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  9. 🚨 CISA Adds Actively Exploited React Native CLI and SmarterMail Flaws to KEV — Patch Clock Starts Now CISA added CVE-2025-11953 (React Native Community CLI / Metro dev server OS command injection) and CVE-2026-24423 (SmarterMail unauthenticated RCE via ConnectToHub) to its K

    @ThreatSynop

    6 Feb 2026

    50 Impressions

    0 Retweets

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  10. Latest Known Exploited Vulnerabilities (#KEV) : #CVE-2025-11953 React Native Community #CLI OS Command Injection Vulnerability https://t.co/Mwh3FElWh2

    @ScyScan

    6 Feb 2026

    44 Impressions

    0 Retweets

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    0 Replies

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  11. 🚨 CISA Flags Actively Exploited React Native CLI Command Injection (CVE-2025-11953) via Metro Dev Server CISA added CVE-2025-11953 to KEV after in-the-wild exploitation: attackers can send crafted POST requests to exposed React Native Metro Development Server endpoints to inje

    @ThreatSynop

    6 Feb 2026

    44 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  12. 🚨 CISA Flags React Native Community CLI Command Injection (CVE-2025-11953) as Actively Exploited CISA added CVE-2025-11953 to the KEV catalog on Feb 5, 2026, warning attackers can hit exposed React Native Metro Development Servers with unauthenticated POST requests to execute

    @ThreatSynop

    6 Feb 2026

    53 Impressions

    0 Retweets

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    0 Quotes

  13. CISA Warns of React Native Community Command Injection Vulnerability Exploited in Attacks https://t.co/jk8L3dBTmm The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added CVE-2025-11953 to its Known Exploited Vulnerabilities (KEV) catalog, flagging an OS comm

    @f1tym1

    6 Feb 2026

    52 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  14. 米国CISAが悪用を確認した脆弱性 #KEV をカタログに追加しました。(2/5追加) 🛡️No.1507 CVE-2025-11953 React Native Community CLI OS Command Injection Vulnerability ============= CVSSスコア: 9.8 (Base) / JFrog CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/

    @piyokango

    6 Feb 2026

    2978 Impressions

    1 Retweet

    8 Likes

    1 Bookmark

    0 Replies

    0 Quotes

  15. 米国サイバーセキュリティ・社会基盤安全保障庁(CISA)が既知の悪用された脆弱性カタログにReact Native Community CLIのCVE-2025-11953とSmarterMailのCVE-2026-24423を追加。対処期限は通常の2/26。SmarterMailはランサムウェアに

    @__kokumoto

    6 Feb 2026

    645 Impressions

    0 Retweets

    0 Likes

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    2 Replies

    0 Quotes

  16. CVE-2025-11953 has been published. React Native Community CLI OS Command Injection.... Add it to your patching queue if applicable. Details: https://t.co/c5dLy169H2 #CVE #InfoSec #ReactNativeCommunity

    @TomarPrateek23

    5 Feb 2026

    58 Impressions

    0 Retweets

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  17. 🛡️ We added React Native community CLI vulnerability CVE-2025-11953 & SmarterTools SmarterMail vulnerability CVE-2026-24423 to our Known Exploited Vulnerabilities Catalog. Visit https://t.co/myxOwap1Tf & apply mitigations to protect your org from cyberattacks. #Cyber

    @CISACyber

    5 Feb 2026

    3835 Impressions

    9 Retweets

    36 Likes

    7 Bookmarks

    3 Replies

    0 Quotes

  18. A major wake-up call for the React Native ecosystem! CVE-2025-11953, aka Metro4Shell, transforms a path traversal flaw in the Metro bundler into a full RCE. This research is a game-changer for supply chain risk and securing local dev environments! 🚀 #ReactNative #Metro4Shell

    @multiverso_info

    5 Feb 2026

    47 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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  19. Whoa, React Native devs! Just caught wind of a critical security flaw (CVE-2025-11953) in the Metro development server. Turns out, unauthenticated attackers can exploit it to run commands on your system. Definitely something to be aware of! Stay safe out there.

    @AtworkCody

    5 Feb 2026

    34 Impressions

    0 Retweets

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    0 Replies

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  20. 🚨 استغلال ثغرة React Native Metro لضرب أنظمة المطورين تم رصد استغلال ثغرة أمنية حرجة CVE-2025-11953 في Metro server الخاص بـ React Native. هذه الثغرة تسمح للمهاجمين بتوصيل حمولات

    @MisbarSec

    5 Feb 2026

    55 Impressions

    0 Retweets

    1 Like

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    0 Quotes

  21. Active exploitation of CVE-2025-11953 (Metro4Shell) targets exposed React Native dev servers. Unauth RCE via Metro /open-url endpoint enables PowerShell loaders and deployment of cross-platform Rust malware. ~3,500 instances exposed. https://t.co/P1dQqokUOV

    @MeridianEU

    5 Feb 2026

    87 Impressions

    0 Retweets

    1 Like

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  22. Today's Top Cybersecurity News – February 05, 2026 1. Critical Metro4Shell RCE Vulnerability Actively Exploited in React Native CLI The Metro4Shell vulnerability (CVE-2025-11953) in the React Native Metro Development Server is being actively exploited by threat actors to

    @NewsNerdie

    5 Feb 2026

    63 Impressions

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    1 Like

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  23. 🚨 Metro4Shell exploited: React Native CLI flaw used to drop malware on Windows & Linux Attackers are exploiting CVE-2025-11953 (“Metro4Shell”) against exposed React Native development servers to deliver a multi-stage PowerShell loader that disables Microsoft Defender,

    @ThreatSynop

    5 Feb 2026

    70 Impressions

    0 Retweets

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  24. React Native Metroの脆弱性CVE-2025-11953が悪用され、開発者環境への侵入が確認されているとのこと。約3,500台のサーバーが露出中です。開発環境のネットワーク分離と更新確認が急務です。 https://t.co/AMYrepJ61y #サ

    @dejital_secure

    4 Feb 2026

    63 Impressions

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  25. 🚨 React2Shell: 1.4 MILHAO de tentativas de exploracao! Cryptominers e reverse shells sendo dropados via CVE-2025-11953. Dois IPs responsaveis pela maioria dos ataques. Fonte: SecurityWeek https://t.co/V5R0xUaE34

    @colapsodigital

    4 Feb 2026

    16 Impressions

    0 Retweets

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  26. Critical RCE vulnerability in React Native's Metro Server (CVE-2025-11953) actively exploited! Developers, update to @react-native-community/cli v20.0.0+ immediately. Link: https://t.co/lGHQu4icYc #Security #Vulnerability #Exploit #React #Update #Patch #Developers #Technology htt

    @dailytechonx

    4 Feb 2026

    15 Impressions

    0 Retweets

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  27. 📢 𝐇𝐨𝐭 𝐨𝐟𝐟 𝐭𝐡𝐞 𝐩𝐫𝐞𝐬𝐬: 𝐂𝐕𝐄 𝐢𝐧𝐬𝐢𝐠𝐡𝐭𝐬! Hackers breach developer systems using CVE-2025-11953 in React Native’s Metro. Discover how this critical flaw fuels cross-platform attacks. 🌐 Explore the write-

    @PurpleOps_io

    4 Feb 2026

    43 Impressions

    0 Retweets

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  28. 🗞️ Threat actors are weaponizing a critical remote code execution flaw (CVE-2025-11953) in the popular @react-native-community/cli npm package, allowing them to take full control of developer environments. This vulnerability, dubbed "Metro4Shell," poses a severe risk.

    @gossy_84

    4 Feb 2026

    71 Impressions

    0 Retweets

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    1 Reply

    0 Quotes

  29. THREAT ALERT: CVE-2025-11953 Metro4Shell actively exploited targeting React Native dev environments. 3,500+ exposed servers. Sovereign Protocol: Immediately audit all development endpoints, implement network segmentation, disable external Metro bindings. #TheSovereignProtocol

    @sovereignexec

    4 Feb 2026

    45 Impressions

    0 Retweets

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  30. 🚨 Devs React Native: CVE-2025-11953 (Metro4Shell) RCE via Metro server - Windows e Linux. ~3.500 servidores expostos. Ataques ativos desde dezembro. Atualize para v20.0.0+ Fonte: BleepingComputer https://t.co/2FY1Ct60Oe

    @colapsodigital

    4 Feb 2026

    55 Impressions

    0 Retweets

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    0 Replies

    0 Quotes

  31. 🚨 Metro4Shell (CVE-2025-11953) actively exploited to drop stealthy Rust malware on developers’ machines Attackers are exploiting React Native’s Metro dev server via the unauthenticated /open-url command-injection flaw (default bind to 0.0.0.0), running a base64 PowerShell

    @ThreatSynop

    4 Feb 2026

    51 Impressions

    0 Retweets

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  32. ⚡️ Cybersecurity Developments in the Last 12 Hours ⚡️ 🛠️ Researchers warn a critical React Native Metro dev-server bug (CVE-2025-11953) is being exploited to execute commands and deliver multi-stage malware to Windows and Linux developer systems. 🏛️ CISA say

    @greytech_ltd

    4 Feb 2026

    57 Impressions

    0 Retweets

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  33. 【リンク集:2月2日〜4日のセキュリティ関連ニュース/記事】 <脆弱性> ・React Native Metroの重大なバグを悪用し、ハッカーが開発システムに侵入(CVE-2025-11953) https://t.co/EK07RUrPcP ・米CISA、ランサムウェア感

    @MachinaRecord

    4 Feb 2026

    171 Impressions

    0 Retweets

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  34. React Native Metro সার্ভারে CVE-2025-11953(Metro4Shell)দুর্বলতা ব্যবহার করে হ্যাকাররা ডেভেলপারদের সিস্টেমে হামলা চালাচ্ছে। ডিসেম্ব

    @mmmezbahahmmed

    4 Feb 2026

    64 Impressions

    0 Retweets

    0 Likes

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    1 Reply

    0 Quotes

  35. VulnCheck reveals CVE-2025-11953 (Metro4Shell) was exploited in the wild since Dec 2025. Attackers target Windows & Linux dev servers. Patch now. #Metro4Shell #CVE202511953 #CyberSecurity #VulnCheck #DevSecOps #InfoSec #Exploit https://t.co/3sfcMUyyaq

    @the_yellow_fall

    4 Feb 2026

    738 Impressions

    4 Retweets

    16 Likes

    1 Bookmark

    1 Reply

    0 Quotes

  36. 🚨React Native CLIに深刻な脆弱性発見! Metro4Shell(CVE-2025-11953)が悪用され、リモートからコード実行が可能に。影響を受ける方は早急なアップデートを!🛡️ あなたのプロジェクトは大丈夫? #セキュリティ #Reac

    @motch_dev

    4 Feb 2026

    54 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    1 Reply

    0 Quotes

  37. 【サプライチェーン攻撃】React Native CLIの脆弱性「Metro4Shell」が実際の攻撃で悪用、開発環境が標的に サイバーセキュリティ企業VulnCheckは、React Native開発で広く使用されるnpmパッケージ「@react-native-community/cli

    @nakajimeeee

    4 Feb 2026

    863 Impressions

    3 Retweets

    6 Likes

    1 Bookmark

    0 Replies

    0 Quotes

  38. 🚨 React Native “Metro4Shell” exploited in the wild to drop stealthy Rust malware Attackers are exploiting CVE-2025-11953 in the React Native CLI Metro dev server (OS command injection via unauthenticated POST requests when Metro is internet-exposed) to run a multi-stage ba

    @ThreatSynop

    3 Feb 2026

    73 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  39. 🚨 CYBER | Des hackers exploitent la faille critique CVE-2025-11953 dans le serveur Metro de React Native, ciblant les systèmes Windows et Linux des développeurs. (Exploitation active confirmée). https://t.co/pzXLB6GCPe

    @ActuNumFR

    3 Feb 2026

    47 Impressions

    0 Retweets

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    0 Replies

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  40. Recent reporting by BleepingComputer highlights a critical vulnerability in the React Native Metro server, CVE-2025-11953, which is being actively exploited by hackers to breach developer systems. While the technical details of the exploit are centered on a software flaw, the

    @ox0ffff

    3 Feb 2026

    42 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  41. Earlier today, @Junior_Baines wrote about in-the-wild exploitation of React Metro Server CVE-2025-11953, which @VulnCheckAI's Canary Intelligence network has been observing since December. Analysis: https://t.co/PHomixa179

    @catc0n

    3 Feb 2026

    2259 Impressions

    5 Retweets

    12 Likes

    4 Bookmarks

    0 Replies

    0 Quotes

  42. 🚨 Metro4Shell (CVE-2025-11953): Active RCE attacks hit exposed React Native Metro dev servers Threat actors are exploiting CVE-2025-11953 (aka “Metro4Shell”) in the React Native Community CLI’s Metro development server to achieve unauthenticated OS command execution when

    @ThreatSynop

    3 Feb 2026

    5 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  43. Hackers exploit critical React Native Metro bug to breach dev systems Hackers are targeting developers by exploiting the critical vulnerability CVE-2025-11953 in… https://t.co/kakoZdN5YH https://t.co/R2JRjGYAmm

    @DConsultinguk

    3 Feb 2026

    25 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  44. Hackers abused React Native CLI flaw to deploy Rust malware before public disclosure: Hackers exploit a critical React Native CLI flaw (CVE-2025-11953) to run remote commands and drop stealthy Rust malware, weeks before public disclosure. Attackers are… https://t.co/xiEeeU3hwW

    @shah_sheikh

    3 Feb 2026

    58 Impressions

    1 Retweet

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  45. 🚨 Hackers actively exploit Metro4Shell (CVE-2025-11953) to breach exposed React Native dev servers Threat actors are exploiting CVE-2025-11953 (CVSS 9.8) in the @react-native-community/cli Metro dev server to achieve unauthenticated RCE via the Metro interface, then launching

    @ThreatSynop

    3 Feb 2026

    40 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  46. 🚨 Active exploitation of Metro4Shell (CVE-2025-11953) hits React Native CLI npm package—critical 9.8 RCE flaw lets attackers run commands & drop Rust malware. Devs: patch now! Supply chain risks are real in 2026. #CyberSecurity #VulnCheck #npm https://t.co/Uy68a8ZSYr

    @didehbanan

    3 Feb 2026

    43 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  47. 🚨 𝐇𝐚𝐜𝐤𝐞𝐫𝐬 𝐞𝐱𝐩𝐥𝐨𝐢𝐭 𝐜𝐫𝐢𝐭𝐢𝐜𝐚𝐥 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 𝐌𝐞𝐭𝐫𝐨 𝐛𝐮𝐠 𝐭𝐨 𝐛𝐫𝐞𝐚𝐜𝐡 𝐝𝐞𝐯 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 • Threat actors are expl

    @PurpleOps_io

    3 Feb 2026

    51 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  48. 🚨 Researchers detect active exploitation of a critical React Native CLI flaw. CVE-2025-11953 allows unauthenticated OS command execution on exposed Metro dev servers, with attacks deploying PowerShell and a Rust payload. 🔗 Read → https://t.co/VsXqvmFIhv

    @BountyHuntHack

    3 Feb 2026

    58 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  49. 🚨 Hackers exploit “Metro4Shell” (CVE-2025-11953) to take over exposed React Native dev machines Threat actors are abusing the React Native Metro bundler flaw (unauthenticated RCE via the /open-url endpoint when Metro is internet-exposed) to run PowerShell, add Microsoft De

    @ThreatSynop

    3 Feb 2026

    51 Impressions

    0 Retweets

    0 Likes

    1 Bookmark

    0 Replies

    0 Quotes

  50. 🚨 Critical RCE flaw (Metro4Shell/CVE-2025-11953, CVSS 9.8) in React Native CLI npm package is actively being exploited! Update now! Details: https://t.co/3p8pjxyGGg #Metro4Shell #RCE #ReactNativ #SecurityAlert

    @0xT3chn0m4nc3r

    3 Feb 2026

    5 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

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