CVE-2026-22153 is an authentication bypass vulnerability (CWE-305) affecting Fortinet FortiOS versions 7.6.0 through 7.6.4. This flaw allows an unauthenticated attacker to bypass LDAP authentication for Agentless VPN or FSSO policies under specific remote LDAP server configurations. With a CVSS score of 8.1 (High), this vulnerability presents a significant risk due to its network-based attack vector, low attack complexity, and potential for high impact on confidentiality, integrity, and availability. While no public exploit code (Metasploit, Nuclei, ExploitDB) is currently available and it's not in CISA's KEV catalog, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.6.0, <= 7.6.4CPE match | cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | ||
>= 7.6.0, < 7.6.5CPE matchmatch criteria | cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.