CVE-2026-33129 h3 has an observable timing discrepancy in basic auth utils

H3 is a minimal HTTP framework. Versions 2.0.1-beta.0 through 2.0.0-rc.8 contain a Timing Side-Channel vulnerability in the requireBasicAuth function due to the use of unsafe string comparison !==. This allows an attacker to deduce the valid password character-by-character by measuring the server...

H3 安全漏洞

H3 is an open-source HTTP framework developed by H3. Versions of H3 from 2.0.1-beta.0 to 2.0.0-rc.8 contain security vulnerabilities. These vulnerabilities stem from the use of insecure string comparisons in the requireBasicAuth function, which may lead to timing side-channel attacks...

Timing Attack

Overview h3 is a Minimal HTTP framework built for high performance and portability. Affected versions of this package are vulnerable to Timing Attack via the requireBasicAuth function. An attacker can recover valid authentication credentials by measuring response times and deducing password...