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critical-vulnerability-react-server-components
latest post
Dec 04, 2025
10 min read
Security Advisory: Critical Vulnerability in React Server Components (CVE-2025-55182)
On December 3, 2025, the React team revealed a critical Remote Code Execution vulnerability in React Server Components (RSC). It affects several RSC packages and some of the most widely used React frameworks, including Next.js. A fix is already out, so the urgent step now is simply checking whether your project uses these packages—and updating to the patched versions if it does. Overview of the Vulnerability A newly reported flaw allows unauthenticated Remote Code Execution (RCE) on servers running React Server Components. Type: Unauthenticated Remote Code Execution CVE: CVE-2025-55182 (NIST , GitHub Advisory Database) Severity: CVSS 10.0 (Maximum severity) This means an attacker could execute arbitrary code on the server without any form of authentication, giving them full control of the affected environment. The issue is caused by a flaw in how React decodes payloads sent to React Server Function endpoints. A maliciously crafted HTTP request can trigger unsafe deserialization, leading to remote code execution. React will publish additional technical details once the patch rollout is fully completed. Scope of Impact Any application that supports React Server Components may be exposed, even if it never defines any Server Function endpoints. The vulnerability exists in the underlying RSC support layer used by multiple frameworks and bundlers. Your application is not vulnerable if: Your React code does not run on a server, or Your application does not use a framework, bundler, or plugin that supports React Server Components. Traditional client-only React applications are unaffected. Affected Versions and Components The vulnerability is tied to specific versions of the React Server Components packages and to the frameworks that depend on them. Identifying whether your project uses any of these versions is the first step in determining your exposure. Vulnerable Packages The issue affects the following packages in versions 19.0, 19.1.0, 19.1.1, and 19.2.0: react-server-dom-webpack react-server-dom-parcel react-server-dom-turbopack Affected Frameworks and Bundlers Several frameworks that rely on these packages are also impacted, including: Next.js React Router (when using unstable RSC APIs) Waku @parcel/rsc @vitejs/plugin-rsc Redwood SDK Security Fix and Recommended Actions The React team has released patched versions, and major frameworks have issued corresponding updates. Applying these fixes promptly is the only reliable way to remove the vulnerability from affected projects. Patched Versions The React team has released fixed versions: 19.0.1 19.1.2 19.2.1 (or any version newer than these) Upgrading to a patched release is mandatory to eliminate the vulnerability. Framework Updates Framework maintainers have also published security updates. For example, Next.js users must upgrade to one of the following patched versions: next@15.0.5 next@15.1.9 next@15.2.6 next@15.3.6 next@15.4.8 next@15.5.7 next@16.0.7 Other ecosystems (React Router, Redwood, Vite plugin, Parcel, Waku, etc.) also require upgrading to their latest patched versions. What Development Teams Should Do Now We recommend the following immediate steps: Audit all projects to confirm whether React Server Components or related frameworks are in use. Check package versions for the affected libraries listed above. Upgrade to the patched versions immediately if your application falls within the impacted scope. Review deployment environments for any unusual activity (optional but advisable for security). Document and report the findings to your internal security or project stakeholders. Conclusion This vulnerability (CVE-2025-55182) is one of the most severe vulnerabilities ever disclosed within the React ecosystem, and it may impact a wide range of modern React-based applications. To maintain security and prevent potential exploitation, all teams should: Review their applications, Identify affected components, and Apply the necessary upgrades without delay. If you need a security audit or patch support within your React-based web development projects, Haposoft is ready to step in.
skype-to-microsoft-teams
Apr 08, 2025
5 min read
We’re Moving from Skype to Microsoft Teams – Here’s What You Need to Know
Microsoft has officially announced that Skype will be discontinued on May 5, 2025. To ensure uninterrupted communication, Haposoft will be transitioning from Skype to Microsoft Teams, which is fully supported by Microsoft and allows for a smooth migration. Here’s everything you need to know about the change and how to continue chatting with us seamlessly. 1. Official Announcement: Skype Will Be Discontinued in May 2025 Microsoft has officially announced that Skype will be discontinued on May 5, 2025, as part of its strategy to unify communication and collaboration under Microsoft Teams. After this date: Skype will no longer be accessible on any platform No further security updates, technical support, or bug fixes will be provided Skype apps will be removed from app stores Users will be unable to sign in or use existing accounts This change affects Skype for Windows, macOS, iOS, and Android. Both personal and business users will need to make the move from Skype to Microsoft Teams. Microsoft explains that this transition aims to deliver a more modern and secure communication experience. They combine chat, meetings, file sharing, and collaboration into a unified platform. 2. What Happens to Your Skype Chat History and Contacts? Your Skype chat history and contacts will not transfer automatically unless you switch to Microsoft Teams. Microsoft has stated that some users will be able to access their Skype history in Teams if they meet all of the following conditions: You are using a Microsoft account (e.g., @outlook.com or @hotmail.com) Your Skype account is linked to that Microsoft account You have previously used Microsoft Teams with the same login If you do not meet these conditions, your data will not carry over. Additionally, files or media shared in Skype conversations will not migrate to Teams. If you need to keep any attachments, we recommend downloading them locally before May 5, 2025. 3. What Changes When You Move to Teams? When moving from Skype to Microsoft Teams, you’ll notice a shift from a simple messaging app to a full-featured collaboration platform. Teams bring together chat, video calls, meetings, file sharing, and document collaboration in one place. Here’s what’s different and better with Teams: Key Advantages of Microsoft Teams (free version) include: One-on-one and group messaging Audio and video calls (up to 30 hours per session) Group meetings (up to 60 minutes with up to 100 participants) File sharing and real-time document collaboration Cross-platform access via desktop and mobile Guest access for external participants Topic-based discussions with channels and communities Bonus: Teams also offers deep integration with Microsoft Office (Word, Excel, PowerPoint), built-in calendar tools, and features designed for teamwork—things Skype never offered. Free Plan Availability Microsoft offers a free version of Teams, which includes: Unlimited one-on-one meetings up to 30 hours Group meetings for up to 60 minutes Up to 100 participants per meeting 5 GB of cloud storage per user Real-time collaboration with Office web apps Unlimited chat and file sharing No subscription is required to get started — users can simply sign up or sign in with an existing Microsoft account. 4. How to Switch from Skype to Teams Moving from Skype to Microsoft Teams is simple. If you're already using Skype, you’ll receive in-app prompts to guide you. Just follow the instructions to complete the transition. Migration steps: Step 1 Open Skype and follow the on-screen prompts to start the transition Step 2 Confirm the move to Microsoft Teams Step 3 Sign in using your Microsoft (Skype) account Step 4 Complete setup within Teams Step 5 Start using your existing chats and contacts in Teams without any loss of data Alternatively, you can download Microsoft Teams directly via the link below: 👉 Download Microsoft Teams for desktop and mobile 5. Mobile Access Made Easy Need access on the go? Microsoft Teams is available as a mobile app for both iOS and Android. To get started: Search for “Microsoft Teams” on the App Store or Google Play Install the official app and sign in with your Microsoft account Once signed in, all your data is synced—chat, join meetings, and collaborate seamlessly from anywhere. 6. Need Help? The retirement of Skype marks a big shift for long-time users. While there are other platforms available, Microsoft Teams is the official and most compatible alternative. We recommend all clients make the switch from Skype to Microsoft Teams as early as possible to avoid any disruptions. If you need assistance at any stage of the process, feel free to contact our team at support@haposoft.com. We're here to help.
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