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org.webjars.npm/fast-uri 3.1.0 | Vulnerabi… | Sonatype Guide
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maven
org.webjars.npm
fast-uri
3.1.0
fast-uri 3.1.0
Latest
org.webjars.npm
Published
Mar 4, 2026
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Policy
compliance
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8.7
CVE-2026-6322
fast-uri normalize() decoded percent-encoded authority delimiters inside the host component and then re-emitted them as raw delimiters during serialization. A host that combined an allowed domain, an encoded at-sign, and a different domain was re-emitted with the at-sign as a raw userinfo separator, changing the URI's authority to the second domain. Applications that normalize untrusted URLs before host allowlist checks, redirect validation, or outbound request routing can be steered to a different authority than the input appeared to specify. Versions <= 3.1.1 are affected. Update to 3.1.2 or later.
affected
Severity
High
Published
May 6, 2026
8.2
CVE-2026-6321
fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize() and equal() functions. Encoded path data was treated like real slashes and parent-directory references, so distinct URIs could collapse onto the same normalized path. Applications that normalize or compare attacker-controlled URLs to enforce path-based policy can be bypassed, with a path that appears confined under an allowed prefix normalizing to a different location. Versions <= 3.1.0 are affected. Update to 3.1.1 or later.
affected
Severity
High
Published
May 5, 2026
