Security vulnerabilities and automated fixes for proxy bypass issues
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A high-severity vulnerability (CVE-2026-42043) in axios versions prior to 1.15.1 allowed attackers to bypass NO_PROXY environment variable restrictions using specially crafted URLs. This meant HTTP requests intended to stay internal could be routed through an attacker-controlled proxy, potentially exposing sensitive data. The fix upgrades axios to version 1.15.1, which correctly validates URLs against NO_PROXY rules.
A high-severity vulnerability (CVE-2026-42043) was discovered in axios versions prior to 1.15.1, allowing attackers to bypass NO_PROXY configurations using specially crafted URLs. This could expose sensitive internal traffic to proxy servers, potentially leaking credentials or internal data. The fix upgrades axios to version 1.15.1, which properly validates URLs before applying proxy exclusion rules.