Category - API Security Blog

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: OpenSSL HTTP/3 bogus CURLINFO_TLS_SSL_PTR

Vulnerability description not...Read More ...

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: on the implications of permitting procedural culling

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August 05, 2025

Mozilla: Bypass “No Links” Restriction in Biography via Protocol-Relative URL (//)

The report identifies a bypass vulnerability in the biography field on addons.allizom.org. Despite the application's policy against allowing links, it was possible to embed functional hyperlinks ...

August 05, 2025

curl: Use after free (or assert triggered) with failed allocations in openssl

Vulnerability description not...Read More ...

August 05, 2025

Lichess: ImageId Format Injection in Image Upload Endpoint

The image upload endpoint in the Lichess application did not properly validate the 'rel' parameter, allowing an attacker to inject special characters that broke the expected format of the ge ...

August 05, 2025

curl: Exposure of Private RSA Private Key in curl GitHub Repository

Vulnerability description not...Read More ...

August 05, 2025