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 Interactive mode recommended npx @emstack/nextjs-cve-2026-23870-checker Check a project npx...

@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, =0.1.1, =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: GHSA-W94C-4VHP-22...

@amazeelabs/bridge-waku (>=1.1.9, <=2.0.1), @amazeelabs/executors (>=3.1.12, <=3.1.14) +20 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, =1.1.9, =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,...

PT-2026-39418

Name of the Vulnerable Software and Affected Versions Next.js versions 14.2.0 through 15.5.15 Next.js versions 16.0.0 through 16.2.4 Description Applications using React Server Components RSC are susceptible to cache poisoning when shared caches fail to correctly partition response variants. An...

PT-2026-39417

Name of the Vulnerable Software and Affected Versions Next.js versions 12.2.0 through 15.5.15 Next.js versions 16.0.0 through 16.2.4 Description An external client can send an x-nextjs-data header on a request to a path handled by middleware that returns a redirect. This causes the middleware or...

Exploit for CVE-2026-23870

Next.js v16.2.4 Security PoC Collection This repository colle...

@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, =0.1.1, =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 (>=1.1.9, <=2.0.1), @amazeelabs/executors (>=3.1.12, <=3.1.14) +20 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, =1.1.9, =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,...

@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) +13 more potentially affected by CVE-2026-23870 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, =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, =1.0.0-canary.12863, =1.0.0-canary.12863,...

9remote (>=0.1.0, <=0.1.8), @071yoon/log-console-core (0.1.0) +771 more potentially affected by CVE-2026-23870 via next (>=16.0.0-beta.0, <=16.2.4)

next NPM version =16.0.0-beta.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...

CVE-2026-23870

creationtimestamp| type| source ---|---|--- 2026-05-06 17:21:14+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3ml77m25mcy2e 2026-05-08 03:00:06+00:00| seen| Telegram/xvoYgOFnUf5jFw65bW2FC7fcn6orx4l4LTjm0d68ZkOEzo 2026-05-08 03:00:10+00:00| seen|...

@amazeelabs/bridge-waku (>=1.1.9, <=2.0.1), @amazeelabs/executors (>=3.1.12, <=3.1.14) +20 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, =1.1.9, =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,...

@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) +13 more potentially affected by CVE-2026-23870 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, =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, =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...

CVE-2025-23870

Cross-Site Request Forgery CSRF vulnerability in wygk Copyright Safeguard Footer Notice copyright-safeguard-footer-notice allows Stored XSS.This issue affects Copyright Safeguard Footer Notice: from n/a through = 3.0...

CVE-2023-23870

Auth. admin+ Stored Cross-Site Scripting XSS vulnerability in wpdevart Responsive Vertical Icon Menu plugin = 1.5.8 versions...

CVE-2025-23870

creationtimestamp| type| source ---|---|--- 2025-01-16 21:18:37+00:00| seen| https://bsky.app/profile/cve-notifications.bsky.social/post/3lfv7f7lwy32r...

CVE-2025-23870

Cross-Site Request Forgery CSRF vulnerability in wygk Copyright Safeguard Footer Notice copyright-safeguard-footer-notice allows Stored XSS.This issue affects Copyright Safeguard Footer Notice: from n/a through = 3.0...

CVE-2025-23870 WordPress Copyright Safeguard Footer Notice plugin <= 3.0 - CSRF to Stored Cross Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery CSRF vulnerability in wygk Copyright Safeguard Footer Notice copyright-safeguard-footer-notice allows Stored XSS.This issue affects Copyright Safeguard Footer Notice: from n/a through = 3.0...