Next.js has a Denial of Service with Server Components

A vulnerability affects certain React Server Components packages for versions 19.x and frameworks that use the affected packages, including Next.js 13.x, 14.x, 15.x, and 16.x using the App Router. The issue is tracked upstream as CVE-2026-23869. You can read more about this advisory our this...

@cedarjs/api-server (>=1.0.0-canary.12863 <=9.0.0-canary.1784), @cedarjs/cli (>=1.0.0-canary.12863 <=9.0.0-canary.1784) +12 more potentially affected by CVE-2026-23869 via react-server-dom-webpack (>=19.2.1 <=19.2.4)

react-server-dom-webpack NPM version =19.2.1, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =3.0.0-canary.13429, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863,...

@amazeelabs/bridge-waku (>=1.1.9 <=2.0.1), @amazeelabs/executors (>=3.1.12 <=3.1.14) +18 more potentially affected by CVE-2026-23869 via react-server-dom-webpack (>=19.0.0 <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.9, =3.1.12, =1.4.7, =1.1.3, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859,...

K000160686: React framework vulnerability CVE-2026-23869

Security Advisory Description A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4. T...

CVE-2026-23869

creationtimestamp| type| source ---|---|--- 2026-04-09 01:27:07+00:00| seen| Telegram/CihYo3BrEf6YGxiGwCEATnWAB3StjZgrXU02lSezsa6vAg 2026-04-09 07:05:56+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mj2amw5fac2r 2026-04-09 23:57:32+00:00| seen|...

@cedarjs/api-server (>=1.0.0-canary.12863 <=9.0.0-canary.1784), @cedarjs/cli (>=1.0.0-canary.12863 <=9.0.0-canary.1784) +12 more potentially affected by CVE-2026-23869 via react-server-dom-webpack (>=19.2.1 <=19.2.4)

react-server-dom-webpack NPM version =19.2.1, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =3.0.0-canary.13429, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863,...