CVE-2025-52186: Lichess Lila

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Lichess lila before commit 11b4c0fb00f0ffd823246f839627005459c8f05c (2025-06-02) contains a Server-Side Request Forgery (SSRF) vulnerability in the game export API. The players parameter is passed directly to an internal HTTP client without validation, allowing remote attackers to force the server to send HTTP requests to arbitrary URLs

Affected products

• Lichess Lila: before 2025-06-02 (fixed in 2025-06-02)

Published 2025-11-13. Last modified 2026-06-17.