October 13, 2026

CVE Watchtower

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CVE-2025-55182NVD

Vulnerability Summary

A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.
Severity Level
CRITICAL(10.0)
Published Date
Dec 3, 2025
Last Modified
Oct 8, 2026
PoC
Available(Metasploit, Nuclei)
Exploitation Status
ACTIVE
EPSS Score (30-Day)
99.80%Probability
Root Weakness (CWE)
CWE-502: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 10.0 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Facebook React
  • Vercel Next.js >= 15.0.0 and < 15.0.5
  • Vercel Next.js >= 15.1.0 and < 15.1.9
  • Vercel Next.js >= 15.2.0 and < 15.2.6
  • Vercel Next.js >= 15.3.0 and < 15.3.6
  • Vercel Next.js >= 15.4.0 and < 15.4.8
  • Vercel Next.js >= 15.5.0 and < 15.5.7
  • Vercel Next.js >= 16.0.0 and < 16.0.7
  • Vercel Next.js
Patched Versions
  • Vercel Next.js 15.0.5
  • Vercel Next.js 15.1.9
  • Vercel Next.js 15.2.6
  • Vercel Next.js 15.3.6
  • Vercel Next.js 15.4.8
  • Vercel Next.js 15.5.7
  • Vercel Next.js 16.0.7
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
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External References