CVE-2026-121526
Last modified
CVE-2026-121526 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform an open redirect attack via crafted HTTP requests.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform an open redirect attack via crafted HTTP requests.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | FortiAuthenticator | >= 8.0.0, <= 8.0.3; >= 6.6.0, <= 6.6.10; >= 6.5.0, <= 6.5.7 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-121526?
How severe is CVE-2026-121526?
How do I fix CVE-2026-121526?
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-121517A vulnerability was detected in IrfanView 4.76.0.0 on Win64.…5
- CVE-2026-121518The Customer Reviews for WooCommerce plugin for WordPress is…5.3
- CVE-2026-121519The Social Slider Feed – Social Media Feed & Gallery Widgets…6.4
- CVE-2026-121520In BuildKit versions prior to v0.34.1, a malicious client wi…4.5
- CVE-2026-121522In BuildKit versions v0.26.0 through v0.34.1, a specific bui…6.7
- CVE-2026-121524A flaw has been found in sumiie24 School-Management-System u…7.3
- CVE-2026-121527A execution with unnecessary privileges vulnerability in For…6.7
- CVE-2026-121528A improper certificate validation vulnerability in Fortinet …8.1
- CVE-2026-121529A origin validation error vulnerability in Fortinet FortiCli…9.6
- CVE-2026-12153The WP Learn Manager plugin for WordPress is vulnerable to a…9.8
- CVE-2026-121530A improper authentication vulnerability in Fortinet FortiOS …6.6
- CVE-2026-121531A vulnerability has been found in Umami 3.3.x/3.4.0/3.4.1. T…6.3
Are you affected by CVE-2026-121526?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
