HackerOne Bug Bounty Disclosure: silent-tls-trust-model-hijacking-via-curl-ca-bundle-environment-variable-leads-to-mitm-rootsecret

Company Name:
curl

Company HackerOne URL:
https://hackerone.com/curl

Submitted By:
rootsecret3

Link to Submitters Profile:
https://hackerone.com/rootsecret3

Report Title:
Silent TLS Trust Model Hijacking via `CURL_CA_BUNDLE` Environment Variable Leads to MITM

Report Link:
https://hackerone.com/reports/3418776

Date Submitted:
11 November 2025

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