CVE-2025-52186 Server-side request forgery in n/a

Medium 6.5 Published Updated

Attackers can exploit an SSRF vulnerability in the game export API to force the server to send requests to arbitrary internal or external URLs.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-52186?

CVE-2025-52186 is a medium-severity server-side request forgery vulnerability in n/a, published on 13 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-918

Which versions are affected by CVE-2025-52186?

It affects 1 product.

Products include Lichess Lila.

How do I fix CVE-2025-52186?

No fix has been published for CVE-2025-52186 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2025-52186 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-52186 exists.

Sources

Also known as GHSA-85hq-hqhm-3jf2.

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