# CVE-2026-84685: Improper Cache Isolation in auth0/react-native-auth0 SDK Web Platform Credential Management

> CVE-2026-84685: Improper Cache Isolation in auth0/react-native-auth0 SDK Web Platform Credential Management. CVSS 6.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-84685
Last updated: 2026-09-10T15:17:48Z

- Published: 2026-09-08 20:18 UTC · Updated: 2026-09-10 15:17 UTC · Assigner: Okta
- CVSS: 6.5 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
- EPSS: 0.28%, 21th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-488

## Description

The react-native-auth0 SDK's web platform implementation does not scope its in-memory token cache to individual user sessions when operating in a server-side rendering (SSR) environment where module state persists across HTTP requests. Under the listed preconditions, tokens cached in module memory can be retrieved across subsequent requests processed by the same server runtime.

## Affected vendors and products

- Auth0: react-native-auth0

## Tracked companies

- [Auth0](https://rewindex.com/company/auth0.md)
- [Okta](https://rewindex.com/company/okta.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-84685)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-84685)
- [https://trust.okta.com/security-advisories/improper-cache-isolation-in-auth0-react-native-auth0-sdk-web-platform-credential-management-cve-2026-84685](https://trust.okta.com/security-advisories/improper-cache-isolation-in-auth0-react-native-auth0-sdk-web-platform-credential-management-cve-2026-84685)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-84685 · Markdown: https://rewindex.com/cve/CVE-2026-84685.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-84685 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:50:53.721Z