October 18, 2026

CVE Watchtower

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CVE-2026-24858NVD

Vulnerability Summary

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, FortiNAC-F 7.6.3 through 7.6.5, FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through 7.0.18, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.12, FortiProxy 7.2.0 through 7.2.15, FortiProxy 7.0.0 through 7.0.22, FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 may allow an attacker with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.
Severity Level
CRITICAL(9.8)
Published Date
Jan 27, 2026
Last Modified
Jun 9, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
85.84%Probability
Root Weakness (CWE)
CWE-288: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
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
  • Fortinet Fortianalyzer >= 7.0.0 and <= 7.0.15
  • Fortinet Fortianalyzer >= 7.2.0 and <= 7.2.11
  • Fortinet Fortianalyzer >= 7.4.0 and < 7.4.10
  • Fortinet Fortianalyzer >= 7.6.0 and < 7.6.6
  • Fortinet Fortimanager >= 7.0.0 and <= 7.0.15
  • Fortinet Fortimanager >= 7.2.0 and <= 7.2.11
  • Fortinet Fortimanager >= 7.4.0 and < 7.4.10
  • Fortinet Fortimanager >= 7.6.0 and < 7.6.6
  • Fortinet Fortinac-f >= 7.6.3 and < 7.6.6
  • Fortinet Fortiproxy >= 7.0.0 and <= 7.0.22
  • Fortinet Fortiproxy >= 7.2.0 and <= 7.2.15
  • Fortinet Fortiproxy >= 7.4.0 and <= 7.4.12
  • Fortinet Fortiproxy >= 7.6.0 and <= 7.6.4
  • Fortinet Fortiweb >= 7.4.0 and <= 7.4.11
  • Fortinet Fortiweb >= 7.6.0 and <= 7.6.6
  • Fortinet Fortiweb >= 8.0.0 and <= 8.0.3
  • Fortinet Fortios >= 7.0.0 and <= 7.0.18
  • Fortinet Fortios >= 7.2.0 and <= 7.2.12
  • Fortinet Fortios >= 7.4.0 and < 7.4.11
  • Fortinet Fortios >= 7.6.0 and < 7.6.6
  • Siemens Ruggedcom Ape1808 Firmware
Patched Versions
  • Fortinet Fortianalyzer 7.4.10
  • Fortinet Fortianalyzer 7.6.6
  • Fortinet Fortimanager 7.4.10
  • Fortinet Fortimanager 7.6.6
  • Fortinet Fortinac-f 7.6.6
  • Fortinet Fortios 7.4.11
  • Fortinet Fortios 7.6.6
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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