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-2018-19949NVD

Vulnerability Summary

If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.
Severity Level
CRITICAL(9.8)
Published Date
Oct 28, 2020
Last Modified
Oct 2, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
28.42%Probability
Root Weakness (CWE)
CWE-20: Improper Input Validation ↗
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required.
CWE-77: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CWE-78: OS Command Injection ↗
The software constructs all or part of an OS command using externally-influenced input, but does not properly neutralize special elements.
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Qnap Qts < 4.2.6
  • Qnap Qts >= 4.3.1.0013 and < 4.3.3.1161
  • Qnap Qts >= 4.3.4 and < 4.3.4.1190
  • Qnap Qts >= 4.3.6 and < 4.3.6.1218
  • Qnap Qts >= 4.4.0 and < 4.4.1.1201
  • Qnap Qts >= 4.4.2 and < 4.4.2.1231
  • Qnap Qts
Patched Versions
  • Qnap Qts 4.2.6
  • Qnap Qts 4.3.3.1161
  • Qnap Qts 4.3.4.1190
  • Qnap Qts 4.3.6.1218
  • Qnap Qts 4.4.1.1201
  • Qnap Qts 4.4.2.1231
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🚫Ad-Free — Uninterrupted experience.
🎁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