Category - API Security Blog

Lichess: Improper Authentication Throttling Allows Attacker-Controlled Account Lockouts

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August 05, 2025

curl: access notes without permission

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August 05, 2025

Node.js: Windows Device Names (CON, PRN, AUX) Bypass Path Traversal Protection in path.normalize()

An incomplete fix has been identified for a vulnerability affecting Windows device names in the path.normalize() function in Node.js. The vulnerability allows path traversal protection to be bypassed ...

August 05, 2025

curl: Disclosure of email addresses

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August 05, 2025

Lichess: Server-Side Request Forgery (SSRF) via Game Export API

The Lichess game export API was found to be vulnerable to Server-Side Request Forgery (SSRF) due to insufficient input validation of the "players" parameter. This allowed an attacker ...

August 05, 2025

curl: Use-After-Free in OpenSSL Keylog Callback via SSL_get_ex_data() in libcurl

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August 05, 2025

curl: CVE-2025-5399: WebSocket endless loop

The function curl_ws_send() in libcurl contains an infinite loop that can be triggered by a malicious server under specific circumstances. The loop is caused by a condition in the code that is not pro ...

August 05, 2025

curl: Arbitrary File Read via file:// Protocol in cURL

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August 05, 2025