CLSA-2026-1792161643 TuxCare security update for react-server-dom-turbopack (4 CVEs)

TuxCare rebuilt react-server-dom-turbopack to address 4 CVEs. Fixed in 19.2.0-tuxcare.7...

CLSA-2026-1792161493 TuxCare security update for react-is (4 CVEs)

TuxCare rebuilt react-is to address 4 CVEs. Fixed in 19.2.0-tuxcare.7...

CLSA-2026-1792161470 TuxCare security update for react-art (4 CVEs)

TuxCare rebuilt react-art to address 4 CVEs. Fixed in 19.2.0-tuxcare.7...

CLSA-2026-1792160973 TuxCare security update for @babel/preset-react (1 CVE)

TuxCare rebuilt @babel/preset-react to address 1 CVE. Fixed in 7.21.0-tuxcare.4...

CLSA-2026-1792160972 TuxCare security update for @babel/plugin-transform-react-jsx (1 CVE)

TuxCare rebuilt @babel/plugin-transform-react-jsx to address 1 CVE. Fixed in 7.18.9-tuxcare.3...

EUVD-2026-98849

TanStack Router: Unauthenticated reflected XSS in TanStack Start server-function responses...

react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS

Summary React\Http\Browser and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. ClientRequestStream::handleData appends every incoming byte to an internal buffer and only scans that buffer for the \r\n\r\n or \n\n terminator, withou...

GHSA-G4F2-2PF3-2PWJ react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS

Summary React\Http\Browser and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. ClientRequestStream::handleData appends every incoming byte to an internal buffer and only scans that buffer for the \r\n\r\n or \n\n terminator, withou...

CVE-2026-104827

react/http is an event-driven, streaming HTTP client and server implementation for ReactPHP. From 1.0.0 until 1.11.1, React\Http\Browser uses ClientRequestStream::handleData to append response-header bytes to an internal buffer without enforcing a size limit. A remote server can send a valid stat...

CVE-2026-104827 react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS

react/http is an event-driven, streaming HTTP client and server implementation for ReactPHP. From 1.0.0 until 1.11.1, React\Http\Browser uses ClientRequestStream::handleData to append response-header bytes to an internal buffer without enforcing a size limit. A remote server can send a valid stat...

CVE-2026-104827

The react/http library (an event-driven HTTP client and server for ReactPHP ) is vulnerable to a memory exhaustion Denial of Service (DoS) in versions 1.0.0 through 1.11.1 . The root cause lies in React\Http\Browser 's ClientRequestStream::handleData() function, which appends response-header byte...

EUVD-2026-102255

react/http is an event-driven, streaming HTTP client and server implementation for ReactPHP. From 1.0.0 until 1.11.1, React\Http\Browser uses ClientRequestStream::handleData to append response-header bytes to an internal buffer without enforcing a size limit. A remote server can send a valid stat...

CVE-2026-104827 react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS

react/http is an event-driven, streaming HTTP client and server implementation for ReactPHP. From 1.0.0 until 1.11.1, React\Http\Browser uses ClientRequestStream::handleData to append response-header bytes to an internal buffer without enforcing a size limit. A remote server can send a valid stat...

Next.js Ships Out-of-Band Patch for Two Critical RCE Flaws in Caching and SVG Processing

Next.js released an out-of-band security update on October 14 that fixes two critical flaws allowing unauthenticated remote code execution, along with a high-severity denial-of-service flaw. One code-execution flaw is in React Server Components, and the other in librsvg, the open-source library...

CVE-2026-104827: Allocation of Resources Without Limits or Throttling

react/http is an event-driven, streaming HTTP client and server implementation for ReactPHP. From 1.0.0 until 1.11.1, React\Http\Browser uses ClientRequestStream::handleData to append response-header bytes to an internal buffer without enforcing a size limit. A remote server can send a valid stat...

CVE-2026-102989

TanStack Router is a client-first, server-capable, fully type-safe router and full-stack framework for the web. From 1.143.12 until 1.169.39 for @tanstack/start-server-core, 1.168.60 for @tanstack/react-start, 1.168.57 for @tanstack/solid-start, and 1.168.56 for @tanstack/vue-start, an...

CVE-2026-102989

TanStack Router is vulnerable to an unauthenticated reflected XSS in its server-function responses. The root cause involves an attacker placing non-public fields in a server-function request payload, causing attacker-controlled middleware state to reach the error path. This allows a crafted URL t...

CVE-2026-102989 TanStack Router: Unauthenticated reflected XSS in TanStack Start server-function responses

TanStack Router is a client-first, server-capable, fully type-safe router and full-stack framework for the web. From 1.143.12 until 1.169.39 for @tanstack/start-server-core, 1.168.60 for @tanstack/react-start, 1.168.57 for @tanstack/solid-start, and 1.168.56 for @tanstack/vue-start, an...

ReactPHP react/http DoS

The vulnerability of the handleData function in the ReactPHP library’s react/http package, which handles streaming HTTP messages, is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

R2SAE

R2SAE - React2Shell Auto-Exploit A Firefox extension for detecting and exploiting CVE-2025-55182 Prototype Pollution vulnerability in React Server Actions Features • Installation • Usage • Disclaimer ⚠️ Disclaimer This tool is for authorized security testing only. Unauthorized access to computer...