nextjs-cve-2026-23870-checker

@emstack/nextjs-cve-2026-23870-checker CLI checker and fixer for all 13 vulnerabilities in the Next.js May 2026 Security Release, including CVE-2026-23870 DoS in React Server Components. Quickstart root@kitploit: Interactive mode recommended npx @emstack/nextjs-cve-2026-23870-checker Check a...

@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) +16 more potentially affected by CVE-2026-23870 via react-server-dom-webpack (>=19.2.0-canary-cee7939b-20250625, <=19.2.4)

react-server-dom-webpack NPM version =19.2.0-canary-cee7939b-20250625, =1.0.0-canary.12863, =1.0.0-canary.12863, =6.0.0-canary.2639, =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,...

@amazeelabs/bridge-waku (>=1.1.0, <=2.0.1), @amazeelabs/executors (>=3.0.0, <=3.1.14) +52 more potentially affected by CVE-2026-23870 via react-server-dom-webpack (>=19.0.0, <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.0, =3.0.0, =1.1.0, =1.1.0, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.0.4, =2.0.3-next.0 an...

9remote (>=0.1.0, <=0.1.8), @071yoon/log-console-core (0.1.0) +759 more potentially affected by CVE-2026-23870 via next (>=16.0.0, <=16.2.4)

next NPM version =16.0.0, =0.1.0, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.18 and more Source cves: CVE-2026-23870 Source advisory:...

@c0va23/react-router-dev (7.8.3-alpha.2), @holocron.so/cli (>=0.6.0, <=0.16.0) +16 more potentially affected by CVE-2026-23870 via @vitejs/plugin-rsc (>=0.4.11, <=0.5.24)

@vitejs/plugin-rsc NPM version =0.4.11, =0.6.0, =0.5.0, =0.0.1, =0.0.0-1ae0b37, =0.0.0-experimental-14dc7c1, =0.0.0-pr-32412-sha-076721d1, =1.0.2, =0.1.0, =0.0.1, =1.18.0-rsc.19, =0.1.0, =0.0.1-alpha.0, =0.0.1-alpha.1 and more Source cves: CVE-2026-23870 Source advisory:...

@amazeelabs/bridge-waku (>=1.1.0, <=2.0.1), @amazeelabs/executors (>=3.0.0, <=3.1.14) +52 more potentially affected by CVE-2026-23870 via react-server-dom-webpack (>=19.0.0, <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.0, =3.0.0, =1.1.0, =1.1.0, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.0.4, =2.0.3-next.0 an...

@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) +16 more potentially affected by CVE-2026-23870 via react-server-dom-webpack (>=19.2.0-canary-cee7939b-20250625, <=19.2.4)

react-server-dom-webpack NPM version =19.2.0-canary-cee7939b-20250625, =1.0.0-canary.12863, =1.0.0-canary.12863, =6.0.0-canary.2639, =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,...

PT-2026-39412

Name of the Vulnerable Software and Affected Versions Next.js versions 13.0.0 through 15.5.15 Next.js versions 16.0.0 through 16.2.4 Description Applications using beforeInteractive scripts combined with untrusted content are susceptible to cross-site scripting XSS, a flaw where malicious scripts...

PT-2026-39411

Name of the Vulnerable Software and Affected Versions Next.js versions prior to 15.5.16 Next.js versions prior to 16.2.5 Description Applications utilizing Partial Prerendering via the Cache Components feature are susceptible to connection exhaustion. A crafted POST request to a server action can...