github.com/rs/cors

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  CVE-2025-47908

  Denial of service via malicious preflight requests in github.com/rs/cors

  Middleware causes a prohibitive amount of heap allocations when processing malicious preflight requests that include a Access-Control-Request-Headers (ACRH) header whose value contains many commas. This behavior can be abused by attackers to produce undue loa…

  github.com/rs/cors github.com/rs/cors github.com/rs/cors golang-github-rs-cors Ubuntu Go
  Aug 6, 2025