CVE-2026-75931: Fast Uri Resolve Missing Host Canonicalization

URI component resolution serializes resolved components without canonicalizing the host (e.g. converting IDN/Unicode domain names to ASCII). This can lead to host confusion, allowlist bypasses, or SSRF when resolving scheme-relative or schemeless references.

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0JS
greprules fetch cve-2026-75931-fast-uri-resolve-missing-host-canonicalization --engine opengrep

Description

URI component resolution serializes resolved components without canonicalizing the host (e.g. converting IDN/Unicode domain names to ASCII). This can lead to host confusion, allowlist bypasses, or SSRF when resolving scheme-relative or schemeless references.