Open-Source Security Intelligence

Know every vulnerability
before it knows you.

DevGuard continuously monitors your dependencies and alerts you when CVEs like this one affect your stack — with real-time threat intelligence built for developers.

Search

GHSA-xq8m-7c5p-c2r6

MediumCVSS 5.4 / 10
Published Apr 21, 2026·Last modified Apr 21, 2026
Affected Components(0)

No affected components available

Description

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.

Risk Scores
Base Score
5.4

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a low impact on the integrity of the data.

Threat Intelligence
5.0

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.21%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Browse More

Scan your project

Continuously monitor your dependencies and get alerted when vulnerabilities like this one affect your stack.

Checkout DevGuard