fast-uri vulnerable to host confusion via literal backslash authority delimiter
High-risk advisory
CVE-2026-16221
Summary
fast-uri vulnerable to host confusion via literal backslash authority delimiter
Why it matters
GitHub has published a reviewed security advisory for fast-uri. Prioritize it with other application dependency updates, especially because EPSS places it in the 13% percentile.
Operator check
Check whether fast-uri is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.2%; percentile: 13%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.