CVE-2026-26035: High severity Fortinet FortiWeb vulnerability
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
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Fortinet FortiWebto a version that resolves this vulnerability.Fixed in 7.4.12 - Upgrade
Upgrade
Fortinet FortiWebto a version that resolves this vulnerability.Fixed in 7.6.7 - Upgrade
Upgrade
Fortinet FortiWebto a version that resolves this vulnerability.Fixed in 8.0.3 - Upgrade
Upgrade
Fortinet FortiWebto a version that resolves this vulnerability.Fixed in 7.0.13 - Upgrade
Upgrade
Fortinet FortiWebto a version that resolves this vulnerability.Fixed in 7.2.13
Event History
Frequently Asked Questions
What is the severity of CVE-2026-26035?
CVE-2026-26035 has a high severity rating of 8.8.
How do I fix CVE-2026-26035?
To address CVE-2026-26035, update your Fortinet FortiWeb software to the latest version as recommended by Fortinet.
What does CVE-2026-26035 exploit?
CVE-2026-26035 exploits an improper authentication vulnerability that allows remote attackers to log in without authentication.
Which versions of FortiWeb are affected by CVE-2026-26035?
FortiWeb versions 8.0.0 to 8.0.2, 7.6.0 to 7.6.6, 7.4.0 to 7.4.11, 7.2.0 to 7.2.12, and 7.0.0 to 7.0.12 are affected by CVE-2026-26035.
What type of vulnerability is CVE-2026-26035 classified as?
CVE-2026-26035 is classified as an Improper Authentication vulnerability according to CWE-287.