Critical React & Next.js RCE Vulnerabilities: A Developer’s Nightmare!
React Server Components have a critical vulnerability equivalent to giving hackers a VIP pass to your server. Dubbed CVE-2025-55182 and CVE-2025-66478, these bugs allow attackers to execute code remotely. With a CVSS rating of 10.0, it’s a security disaster waiting to happen. Time to patch up, unless you enjoy living on the edge!
Hot Take:
Looks like React and Next.js decided to have a little “deserialization party,” and everyone’s invited! Unfortunately, the guest list includes some unwanted hackers who are looking to exploit this gathering for their own gain. Looks like it’s time for the tech world to hit that panic button and patch things up before it’s too late. Who knew that a “Flight” protocol could bring us all crashing down?
Key Points:
- Critical RCE vulnerabilities in React and Next.js have been given a perfect CVSS score of 10.0.
- The flaws exploit insecure deserialization in the Flight protocol for React Server Components.
- The vulnerabilities affect millions of React and Next.js instances worldwide.
- Palo Alto Networks provides protection and recommends immediate upgrades to patched versions.
- Unit 42 is on high alert, tracking potential exploit attempts with sophisticated queries.
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