Sentry-Javascript: Middleware Bypass when using Tunnel route
Critical vendor advisory
CVE-2026-114139
Summary
Sentry-Javascript: Middleware Bypass when using Tunnel route
Why it matters
GitHub has published a reviewed security advisory for @sentry/nextjs. Prioritize it with other application dependency updates, especially because EPSS places it in the 34% percentile.
Operator check
Check whether @sentry/nextjs is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.1. EPSS probability: 0.4%; percentile: 34%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.