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Critical vulnerability in Authlib via JWK Header Injection reported in 2026

A flaw in Authlib allows bypassing access restrictions through JWK Header Injection.

Published 14sem1 sourceNotableupdated 7sem
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The attacker can read or modify sensitive data.

The vulnerability was analyzed on March 24, 2026, by Vigilance.fr.

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Auto-synthesis from 1 media source · identified on May 24, 2026
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