CVE Catalog

CVE-2025-52186

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.34%

28th percentile - higher than 28% of all known CVEs

Summary

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.

Risk Assessment

An attacker could use the server to scan internal networks or access internal resources, potentially leading to data leakage.

Recommendation

Update lila to a patched version or implement validation of the players parameter and restrict outbound requests.

Related vulnerabilities

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS