An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 …
- Severity
- High8.1CVSS 3.1, High
- Known exploited
- Not listed
- Exploit prediction
- 0.71%
- Published
- 10 Feb 2026Updated 17 Jun 2026 · Last verified 30 Sept 2026
Known remediation
Fixed releases per branch, as the vendor states them. Patcharo never infers a fix.
Fortinet FortiOS
Vendor advisory- 7.6Fixed after 7.6.4
Workaround / Vendor remediation
Vendor remediation · FortiOS
Upgrade to upcoming FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.5 or above
Description
Title, description and vendor guidance are quoted from the source records.
An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way.
Weakness: CWE-305
Known exploited
Not listed in CISA KEV as of the last check.
Exploit prediction
0.71% probability of exploitation in the next 30 days (percentile 52%).
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
What the source states, per branch
Versions matched by Patcharo
Fortinet FortiOSSource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.6 | 7.6.0 – 7.6.4 | Fixed after 7.6.4 |
Versions not listed are stated unaffected by the vendor.
References
Provenance
Every fact on this page comes from the sources below. Nothing is written by an AI.
- Fortinet (CVE record)
- Fortinet (CVE record) · 30 Sept 2026 at 00:17 UTC · Parser patcharo-cve5/1.1.0
- NVD
- NVD · 28 Sept 2026 at 07:02 UTC · Parser patcharo-nvd/1.0.0
- FIRST EPSS
- FIRST EPSS · 30 Sept 2026 at 00:17 UTC · Parser patcharo-epss/1.0.0
Last verified: 30 Sept 2026 at 00:17 UTC