CVE-2026-22153
CVE-2026-22153: 1 tracked advisory record across Fortinet. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Fortinet
1 advisory- Advisory severityHigh7.5
High [CVE-2026-22153] LDAP authentication bypass in Agentless VPN and FSSO
FG-IR-25-1052Source published Source updated
CVSSv3 Score: 7.5 An Authentication Bypass by Primary Weakness vulnerability [CWE-305] in FortiOS fnbamd may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, under specific LDAP server configuration. Revised on 2026-07-04 00:00:00
- Related products — impact not confirmed
- FortiOS
- Source-reported affected versions
- FortiOS 7.6: 7.6.0 through 7.6.4
- Source-reported fixed versions
- FortiOS 7.6: 7.6.5
- Mitigation guidance
- Upgrade per the Affected/Solution table: FortiOS 7.6: 7.6.5.
- Workarounds
- Disable unauthenticated bind on the LDAP server.
- For example, LDAP unauthenticated binds can be disabled in Windows Active Directory (starting from Windows Server 2019) via the following PowerShell code snippet:
- $configDN = (Get-ADRootDSE).configurationNamingContext$dirSvcDN = "CN=Directory Service,CN=Windows NT,CN=Services,$configDN"Set-ADObject -Identity $dirSvcDN -Add @{'msDS-Other-Settings'='DenyUnauthenticatedBind=1'}
- Virtual Patch named "FG-VD-10009566.0day." is available in FMWP db update 26.063
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