---
title: "CVE-2026-114139: Sentry-Javascript - Authentication Bypass"
description: "Sentry-Javascript 9.36.0 to < 9.47.2, 10.75.2, and 11.0.0-rc.1 contains an authentication bypass caused by webpack integration skipping middleware on configured tunnelRoute paths, letting unauthenticated requests reach protected routes, exploit requires tunnelRoute configuration, webpack build, colliding route, and middleware as sole authorization."
url: https://panop.io/threat-heartbeat/CVE-2026-114139/
---

# CVE-2026-114139 Sentry-Javascript - Authentication Bypass

Sentry-Javascript 9.36.0 to < 9.47.2, 10.75.2, and 11.0.0-rc.1 contains an authentication bypass caused by webpack integration skipping middleware on configured tunnelRoute paths, letting unauthenticated requests reach protected routes, exploit requires tunnelRoute configuration, webpack build, colliding route, and middleware as sole authorization.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-114139)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

21 October 2026

Updated

22 October 2026

Weakness

[CWE-693](https://cwe.mitre.org/data/definitions/693.html)

## Vendor fix

Update to versions 9.47.2, 10.75.2, or 11.0.0-rc.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-114139](https://nvd.nist.gov/vuln/detail/CVE-2026-114139)
- [https://github.com/getsentry/sentry-javascript/releases/tag/10.75.2](https://github.com/getsentry/sentry-javascript/releases/tag/10.75.2)
- [https://github.com/getsentry/sentry-javascript/commit/878b685c85dc12045e47e1932c96f5381d7ac532](https://github.com/getsentry/sentry-javascript/commit/878b685c85dc12045e47e1932c96f5381d7ac532)
- [https://github.com/getsentry/sentry-javascript/commit/c122aac4f29541eb6da494296822c91eab3cf5ae](https://github.com/getsentry/sentry-javascript/commit/c122aac4f29541eb6da494296822c91eab3cf5ae)
- [https://github.com/getsentry/sentry-javascript/pull/24565](https://github.com/getsentry/sentry-javascript/pull/24565)
- [https://github.com/getsentry/sentry-javascript/pull/24760](https://github.com/getsentry/sentry-javascript/pull/24760)
- [https://github.com/getsentry/sentry-javascript/releases/tag/11.0.0-rc.1](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/releases/tag/9.47.2)
- [https://github.com/getsentry/sentry-javascript/security/advisories/GHSA-mchm-gjx6-7h55](https://github.com/getsentry/sentry-javascript/security/advisories/GHSA-mchm-gjx6-7h55)
- [https://github.com/getsentry/sentry-javascript/commit/d525a2f6015b47384bc139c30d58e0d5435d52e5](https://github.com/getsentry/sentry-javascript/commit/d525a2f6015b47384bc139c30d58e0d5435d52e5)
- [https://github.com/getsentry/sentry-javascript/pull/24499](https://github.com/getsentry/sentry-javascript/pull/24499)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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