CVE-2026-66416 Leantime CSRF Protection Globally Disabled by Omission of Laravel VerifyCsrfToken Middleware
Attackers can perform unauthorized state-changing actions on behalf of authenticated users due to missing CSRF protection middleware.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-66416?
CVE-2026-66416 is a high-severity vulnerability in Leantime, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Leantime 3.6.2 contains a cross-site request forgery vulnerability that allows unauthenticated attackers to perform state-changing actions on behalf of authenticated users by excluding the Laravel VerifyCsrfToken middleware from the global middleware stack in app/Http/Kernel.php. Attackers can craft malicious pages delivered via phishing emails or malicious websites to trigger unauthorized POST, PUT, and DELETE requests that create or delete projects, modify settings, and change permissions as any authenticated user.
Weakness: CWE-352
Which versions are affected by CVE-2026-66416?
How do I fix CVE-2026-66416?
No fix has been published for CVE-2026-66416 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-66416 being exploited?
There is no known exploitation of CVE-2026-66416 in the wild and no public exploit code.
Sources
Also known as GHSA-w22w-fm87-f6gx, GHSA-x8vx-9g5w-w5rr.