Critical Alert 1 Active Exploit Detected Today

CVE-2026-104286 — Fortinet FortiMail Path Traversal Vulnerability →
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October 2, 2026

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CVE-2025-67779NVD

Vulnerability Summary

It was found that the fix addressing CVE-2025-55184 in React Server Components was incomplete and does not prevent a denial of service attack in a specific case. React Server Components versions 19.0.2, 19.1.3 and 19.2.2 are affected, allowing unsafe deserialization of payloads from HTTP requests to Server Function endpoints. This can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.
Severity Level
HIGH(7.5)
Published Date
Dec 12, 2025
Last Modified
Dec 12, 2025
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-502: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CWE-400: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 7.5 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Facebook React
  • Vercel Next.js >= 13.3.0 and < 14.2.35
  • Vercel Next.js >= 15.0.0 and < 15.0.7
  • Vercel Next.js >= 15.1.0 and < 15.1.11
  • Vercel Next.js >= 15.2.0 and < 15.2.8
  • Vercel Next.js >= 15.3.0 and < 15.3.8
  • Vercel Next.js >= 15.4.0 and < 15.4.10
  • Vercel Next.js >= 15.5.0 and < 15.5.9
  • Vercel Next.js >= 16.0.0 and < 16.0.10
  • Vercel Next.js
Patched Versions
  • Vercel Next.js 14.2.35
  • Vercel Next.js 15.0.7
  • Vercel Next.js 15.1.11
  • Vercel Next.js 15.2.8
  • Vercel Next.js 15.3.8
  • Vercel Next.js 15.4.10
  • Vercel Next.js 15.5.9
  • Vercel Next.js 16.0.10
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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.
🚫Ad-Free — Uninterrupted experience.

External References