GHSA-xq8m-7c5p-c2r6

Source

https://github.com/advisories/GHSA-xq8m-7c5p-c2r6

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-xq8m-7c5p-c2r6/GHSA-xq8m-7c5p-c2r6.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-xq8m-7c5p-c2r6

Aliases

CVE-2026-40155

Published

2026-04-21T15:21:46Z

Modified

2026-04-21T15:41:19.524282Z

Severity

5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N CVSS Calculator

Summary

Auth0 Next.js SDK has Improper Proxy Cache Lookup

Details

Description

In affected versions of the Next.js SDK, simultaneous requests that trigger a nonce retry may cause the proxy cache fetcher to perform improper lookups for the token request results.

Which Projects are Affected?

Users are affected if they meet all of the following preconditions: - Applications using the auth0/nextjs-auth0 SDK, versions 4.12.0 to 4.17.0, and - Applications using the proxy handler /me/* and /my-org/* with DPoP enabled.

Affected product and versions

Auth0/nextjs-auth0 v4.12.0 to 4.17.0

Resolution

Upgrade Auth0/nextjs-auth0 version to v4.18.0 or greater

Acknowledgements

Okta would like to thank Reynaldo Immanuel for their discovery and responsible disclosure.

Database specific

{
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-21T15:21:46Z",
    "cwe_ids": [
        "CWE-362",
        "CWE-863"
    ],
    "severity": "MODERATE",
    "nvd_published_at": "2026-04-17T21:16:33Z"
}

References

Affected packages

npm / @auth0/nextjs-auth0

Package

Name: @auth0/nextjs-auth0; View open source insights on deps.dev
Purl: pkg:npm/%40auth0/nextjs-auth0

Affected ranges

Type: SEMVER
Events: Introduced

4.12.0

Fixed

4.18.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-xq8m-7c5p-c2r6/GHSA-xq8m-7c5p-c2r6.json"

last_known_affected_version_range

"<= 4.17.0"