[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@sentry/nextjs (source)	10.75.0 → 10.75.2

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Sentry-Javascript: Middleware Bypass when using Tunnel route

CVE-2026-114139 / GHSA-mchm-gjx6-7h55

More information

Details

Impact

The tunnelRoute option makes the SDK send browser events to a path on your own Next.js server (for example /monitoring), where a rewrite forwards them to Sentry to prevent ad blockers from blocking them. To keep those envelope requests from being rejected by your middleware, the SDK skips middleware for them.

The middleware skip was wider than the rewrite. The rewrite only serves requests to the tunnel path itself with the o and p parameters set. The skip applied to anything under the tunnel path. Requests in that gap go to your application instead of Sentry, and your middleware never runs on them.

Skipping middleware does not grant the request any privileges. Routes that check the session server-side are still protected.

You are affected only if all of the following are true:

1. tunnelRoute is set (a string path or true),
2. your app is built with webpack (Turbopack builds are not affected),
3. some route of your application resolves under the tunnel path. That could be a direct collision (/monitoring/foo with tunnelRoute: '/monitoring') or a dynamic segment at the route root (app/[locale]/…), which matches any first path segment, and
4. your middleware is the only place that enforces authorization for those routes.

Sentry's own services, and the data in your Sentry organization, are not affected.

Patches

Fixed in 9.47.2, 10.75.2 and 11.0.0-rc.1. The skip now matches only the requests the tunnel rewrite actually serves. No configuration change is needed.

Workarounds

• Set tunnelRoute to a path no route of yours can resolve under, or remove the option.
• Build with Turbopack (default for next build from Next.js 16).
• Enforce authorization in the route, layout or data-access path as well as in middleware.

Severity

• CVSS Score: 9.1 / 10 (Critical)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References

• https://github.com/getsentry/sentry-javascript/security/advisories/GHSA-mchm-gjx6-7h55
• https://nvd.nist.gov/vuln/detail/CVE-2026-114139
• 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/commit/878b685c85dc12045e47e1932c96f5381d7ac532
• https://github.com/getsentry/sentry-javascript/commit/c122aac4f29541eb6da494296822c91eab3cf5ae
• https://github.com/getsentry/sentry-javascript/commit/d525a2f6015b47384bc139c30d58e0d5435d52e5
• 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/advisories/GHSA-mchm-gjx6-7h55

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

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Release Notes

getsentry/sentry-javascript (@​sentry/nextjs)

v10.75.2

Compare Source

• fix(v10/cloudflare): Enforce flush timeout across Workflow lifecycle (#​24582)
• fix(v10/core): Apply dataCollection.urlQueryParams to collected URLs and query strings (#​24572)
• fix(v10/nextjs): Align tunnel request matching in middleware with tunnel rewrite (#​24565)
• fix(v10/node): Stop leaking unhandled rejections on aborted Vercel AI streams (#​24563)

v10.75.1

Compare Source

• fix(v10/cloudflare): Capture telemetry from untraced Durable Object RPC calls (#​24512)
• fix(v10/cloudflare): Instrument namespaces returned by jurisdiction() (#​24513)
• fix(v10/hono): Allow @​cloudflare/workers-types v5 as peer dependency (#​24500)
• fix(v10/nextjs): Resolve Next.js version relative to the SDK when cwd differs (#​24475)

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Total Size: 4.09 MB

📦 View Changed

Filename	Size	Change
apps/impress/out/_next/static/08d0a10a/_buildManifest.js	0 B	-741 B (removed)	🏆
apps/impress/out/_next/static/87176058/_buildManifest.js	740 B	+740 B (new file)	🆕

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