CVE-2026-22153
📛 CVE Title
CVE-2026-22153
Description
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- fortinet
- CVSS severity
- HIGH
- CVSS score
- 7.5 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C- Effective score
- 7.5 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-305 - Reserved
- 2026-01-06
- Published
- 2026-02-10 16:39 UTC
- Last updated
- 2026-02-26 16:04 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/22xxx/CVE-2026-22153.json
- Linked Threat
- CVE-2026-22153 — CVE-2026-22153
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-02-10 16:16:11 UTC
- NVD last modified
- 2026-02-12 16:03:10 UTC
- NVD CVSS v3.1
- 8.1 / 10 HIGH source: psirt@fortinet.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Exploitability subscore
- 2.2 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0008 (probability of exploitation in next 30 days)
- EPSS percentile
- 22.87% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25
NVD / KEV / EPSS data refreshed 2026-05-25 19:47 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-6387 - Assigner
- fortinet
- Published
- Feb 10, 2026, 3:39:12 PM
- Updated
- Feb 26, 2026, 3:04:11 PM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C - EUVD-reported EPSS
- 0.0800
- Vendors
- Fortinet
- Products
-
FortiOS (7.6.0 ≤7.6.4)FortiOS (7.6.0 ≤7.6.4)
- Aliases
-
GHSA-p2r3-58qh-phf8
ENISA description: 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.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Fortinet | FortiOS |
7.6.0 (affected)
|
— |
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (5)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- http://cwe.mitre.org/data/definitions/305.html rapid7:cwe.mitre.org
- https://attackerkb.com/topics/CVE-2026-22153 rapid7:attackerkb.com
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-6387 rapid7:euvd.enisa.europa.eu
- https://fortiguard.fortinet.com/psirt/FG-IR-25-1052 rapid7:fortiguard.fortinet.com
- https://www.cve.org/CVERecord?id=CVE-2026-22153 rapid7:www.cve.org
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://fortiguard.fortinet.com/psirt/FG-IR-25-1052 psirt@fortinet.com Vendor Advisory
Remediations (18)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blogs.oracle.com
For more information about the Critical Security Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.
2026-10-12 11:02 UTC -
web:firstpasslab.com
Fortinet dropped 22 security patches on March 11, 2026 , including a FortiOS authentication bypass ( CVE-2026-22153 ) that lets unauthenticated attackers slip past LDAP-based VPN and FSSO policies. The same patch cycle addresses a heap buffer overflow ( CVE -2025-25249) in FortiOS and FortiSwitchManager enabling remote code execution.
2026-10-12 11:02 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-10-12 11:02 UTC -
web:support.microsoft.com
This update for Windows 11, version 25H2 and 24H2 (KB5084597) incudes security improvements. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates. To view the ...
2026-10-12 11:02 UTC -
web:www.aikido.dev
None of these is a clean fix , which is why the decision on how to remediate depends on knowing what package versions are running in production and why. This post will cover how AI has accelerated CVE detection and discovery, the upgrade trap, what CVE remediation actually involves in 2026 , and how to solve the CVE remediation problem.
2026-10-12 11:02 UTC -
web:www.cisecurity.org
Multiple vulnerabilities have been discovered in Fortinet products, the most severe of which could allow for arbitrary code execution. FortiAuthenticator is a centralized identity and access management (IAM) solution that secures network access by managing user identities, Multi-Factor Authentication (MFA), and certificate management. FortiClientEMS is a centralized management platform for ...
2026-10-12 11:02 UTC -
web:www.oracle.com
This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.
2026-10-12 11:02 UTC -
web:www.oracle.com
This Critical Security Patch Update contains 943 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at August 2026 Critical Security Patch Update: Executive Summary and Analysis.
2026-10-12 11:02 UTC -
web:thehackernews.com
APT28 exploited CVE - 2026 -21513, an MSHTML zero-day (CVSS 8.8), using malicious LNK files to bypass security controls and execute code.
2026-05-22 15:51 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-22 15:51 UTC -
web:www.tenable.com
Microsoft patched six zero-day vulnerabilities that were exploited in the wild including CVE - 2026 -21510 and CVE - 2026 -21513.
2026-05-22 15:51 UTC -
web:cybersecuritynews.com
Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...
2026-05-22 15:51 UTC -
web:www.csoonline.com
Microsoft highlighted six new and actively exploited vulnerabilities among the 60 fixes issued in today's February Patch Tuesday releases.
2026-05-22 15:51 UTC -
web:patchapalooza.com
Microsoft Patch Tuesday vulnerability intelligence dashboard. Live CVSS scores, exploit tracking, threat analysis, and security update data from MSRC, VulnCheck, CISA KEV, and EPSS.
2026-05-22 15:51 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-22 15:51 UTC -
web:securityvulnerability.io
CVE-2026-22153 is an authentication bypass vulnerability identified in Fortinet's FortiOS, specifically affecting versions 7.6.0 through 7.6.4. FortiOS is a critical operating system that underpins Fortinet's security products, providing essential functions such as VPN services and firewall policies.
2026-05-22 15:51 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-22 15:51 UTC -
web:www.windowslatest.com
Windows 11 March 2026 Patch Tuesday update adds Emoji 16.0, Sysmon, network speed test, reliability improvements, and security fixes.
2026-05-22 15:51 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-22153.json.
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