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Vulnerability DatabaseCVE-2026-33129

CVE-2026-33129: 
JavaScript vulnerability analysis and mitigation

H3 is a minimal H(TTP) 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's response time, effectively bypassing password complexity protections. This issue is fixed in version 2.0.1-rc.9.

Source: NVD

Related JavaScript vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-33287HIGH7.5
  • JavaScriptJavaScript
  • liquidjs
NoNoMar 26, 2026
CVE-2026-33285HIGH7.5
  • JavaScriptJavaScript
  • liquidjs
NoNoMar 26, 2026
CVE-2026-33671HIGH7.5
  • JavaScriptJavaScript
  • picomatch
NoYesMar 25, 2026
CVE-2026-33672MEDIUM5.3
  • JavaScriptJavaScript
  • picomatch
NoYesMar 25, 2026
GHSA-v3rj-xjv7-4jmqMEDIUM5.3
  • JavaScriptJavaScript
  • smol-toml
NoYesMar 25, 2026

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