CVE-2026-114139

Sentry-Javascript is an official Sentry SDKs for JavaScript. From 9.36.0 until 9.47.2, 10.75.2, and 11.0.0-rc.1, the webpack integration for @sentry/nextjs skips application middleware for every request path under a configured tunnelRoute, while the tunnel rewrite serves only the exact tunnel path with valid o and p query parameters. When an application route directly collides with the tunnel path or a root dynamic segment resolves under it, an unauthenticated request can reach that route without middleware authorization. Exploitation requires tunnelRoute, a webpack build, a colliding route, and middleware being the only authorization control. This issue is fixed in versions 9.47.2, 10.75.2, and 11.0.0-rc.1.

• CWE-693

• https://github.com/getsentry/sentry-javascript/commit/878b685c85dc12045e47e1932c96f5381d7ac532
• https://github.com/getsentry/sentry-javascript/commit/c122aac4f29541eb6da494296822c91eab3cf5ae
• https://github.com/getsentry/sentry-javascript/commit/d525a2f6015b47384bc139c30d58e0d5435d52e5
• https://github.com/getsentry/sentry-javascript/pull/24499
• https://github.com/getsentry/sentry-javascript/pull/24565
• https://github.com/getsentry/sentry-javascript/pull/24760
• https://github.com/getsentry/sentry-javascript/releases/tag/10.75.2
• https://github.com/getsentry/sentry-javascript/releases/tag/11.0.0-rc.1
• https://github.com/getsentry/sentry-javascript/releases/tag/9.47.2
• https://github.com/getsentry/sentry-javascript/security/advisories/GHSA-mchm-gjx6-7h55

Published

Oct 21, 2026

Last Modified

Oct 22, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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