Vulnerability Description
Leantime 3.6.2 contains an open redirect vulnerability in the Login controller that allows unauthenticated attackers to redirect authenticated users to arbitrary external sites by manipulating the redirectUrl POST parameter. Attackers can craft a malicious login URL with a tampered redirectUrl value that bypasses FILTER_SANITIZE_URL validation to redirect victims to attacker-controlled sites for phishing or credential theft.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Leantime/leantime
- https://github.com/Leantime/leantime/pull/3658
- https://github.com/javokhir-sec/CVE-PoC-Hub/security/advisories/GHSA-wprg-q8m6-j
- https://www.vulncheck.com/advisories/leantime-open-redirect-in-login-controller-
- https://github.com/Leantime/leantime/pull/3658
FAQ
What is CVE-2026-66414?
CVE-2026-66414 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Leantime 3.6.2 contains an open redirect vulnerability in the Login controller that allows unauthenticated attackers to redirect authenticated users to arbitrary external sites by manipulating the red...
How severe is CVE-2026-66414?
CVE-2026-66414 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-66414?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.