tag
React
React Server Components Flight-Protocol Prototype Pollution RCE — "React2Shell" (CVE-2025-55182)
CVE-2025-55182, dubbed "React2Shell", is a critical unauthenticated remote code execution vulnerability in React Server Components' Flight protocol deserialization. The Flight protocol serializes/deserializes component data exchanged between client and…
TanStack Query — Unbounded Recursion Denial of Service in `replaceEqualDeep` (CVE-2026-26903)
TanStack Query's internal replaceEqualDeep function recursively performs deep-equality comparisons between old and new query cache data so that unchanged object references can be preserved across re-renders. The recursive implementation has no depth limit or…
Appsmith Table Widget Stored XSS to Admin Account Takeover — CVE-2026-30862
Appsmith's TableWidgetV2 component (BasicCell.tsx) fails to sanitize user-supplied cell values when the column type is URL or Plain Text, rendering raw HTML/attributes directly as React children and allowing stored XSS. Because Appsmith's XSRF-TOKEN cookie is…
React2Shell - Next.js RSC Unauthenticated RCE
CVE-2025-55182 is a CVSS 10.0 unauthenticated Remote Code Execution vulnerability in Next.js applications using React Server Components (RSC) with the App Router. The exploit abuses unsafe deserialization of the RSC wire format: a crafted multipart POST…