wetty vulnerable to DOM XSS via file-download filename

Date Jul 1, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท wetty
CVE CVE-2026-49864
High-risk advisory CVE-2026-49864

Summary

wetty vulnerable to DOM XSS via file-download filename

Why it matters

GitHub has published a reviewed security advisory for wetty. Prioritize it with other application dependency updates.

Operator check

Check whether wetty is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.6.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.