New Scanner Tool for Detecting Exposed ReactJS and Next.js RSC Endpoints (CVE-2025-55182)
ID: da12a4f5-88b9-53fa-a4b4-f90521651b99
STIX ID: report--da12a4f5-88b9-53fa-a4b4-f90521651b99
Feed Name: cybersecurityNews.com
Threat Score
A security researcher released a lightweight Python scanner that non-intrusively detects Next.js React Server Components endpoints potentially exposed to CVE-2025-55182 by validating RSC protocol headers (Content-Type: text/x-component) and Next.js action headers rather than attempting brittle exploit payloads; the report details usage, limitations for proving RCE in minified production builds, output options, and recommends immediate upgrades to patched Next.js versions.
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