What it is
CVE-2026-26035 is an unauthenticated vulnerability affecting Fortinet FortiWeb. An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6,...
- Severity
- CVSS 8.8 · High
- Confidence
- —
- Exploit status
- —
- EPSS
- —
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
No. KEV Intelligence has not recorded active exploitation signals yet.
Who is affected?
Fortinet / FortiWeb 8.0.0 to <= 8.0.2.
What should we do?
Track for updates. Assess relevance to your asset inventory and enrichment workflows.
Overview
FortiWeb
An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2.0 through 7.2.12, FortiWeb 7.0.0 through 7.0.12 may allow a remote unauthenticated attacker to login into the Fortiweb GUI/CLI with a random username and password
Vendor
Product
Affected
Status
Fortinet
FortiWeb
Through 8.0.2
Affected
Fortinet
FortiWeb
Through 7.6.6
Affected
Fortinet
FortiWeb
Through 7.4.11
Affected
Fortinet
FortiWeb
Through 7.2.12
Affected
Fortinet
FortiWeb
Through 7.0.12
Affected
- Published
- 12 Aug 2026
- Exploited since
- —
- Attack vector
- Remote
- Complexity
- Low
- Privileges
- None
- User interaction
- None
CVE References
- https://fortiguard.fortinet.com/psirt/FG-IR-26-158 fortiguard.fortinet.com · CVE Record https://fortiguard.fortinet.com/psirt/FG-IR-26-158
Exploitation evidence
Exploitation evidence for this CVE
Catalogues and sources that list this CVE as a known exploited vulnerability, when available.
No exploitation evidence rows are recorded for this CVE yet.
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
No scanner integrations recorded yet.
Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Risk and context
Severity, weaknesses, and research context
CVSS v3.1
8.8
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
EPSS
—
Weaknesses
Timeline
From disclosure to observed exploitation
-
CVE published
Vulnerability disclosed publicly
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2026-26035
Free JSON includes basic KEV fields{
"cve_id": "CVE-2026-26035",
"confidence": null,
"cvss_score": 8.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": false,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.