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Time Travel Debugging with Codex

medspecteropsPublished 2026-06-26

<p class="wp-block-paragraph"><strong><em>Spoiler warning: this post discusses the FLARE-ON 12 `FlareAuthenticator` challenge and includes the recovered flag.</em></strong></p>

<h2 class="wp-block-heading" id="h-introduction">Introduction</h2>

<p class="wp-block-paragraph">Before getting into the technical details, this work was made possible through SpecterOps&#8217; partnership with OpenAI

Indicators of compromise

Original source: https://specterops.io/blog/2026/06/26/time-travel-debugging-with-codex/