EUVD-2026-208935

fkie_cve-2023-34247

Keystone is a content management system for Node.JS. There is an open redirect in the `@keystone-6/auth` package versions 7.0.0 and prior, where the redirect leading `/` filter can be bypassed. Users may be redirected to domains other than the relative host, thereby it might be used by attackers to re-direct users to an unexpected location. To mitigate this issue, one may apply a patch from pull request 8626 or avoid using the `@keystone-6/auth` package.

GHSA-jqxr-vjvv-899m — @keystone-6/auth Open Redirect vulnerability

Affected: npm: @keystone-6/auth

### Summary There is an open redirect in the `@keystone-6/auth` package, where the redirect leading `/` filter can be bypassed.

### Impact Users may be redirected to domains other than the relative host, thereby it might be used by attackers to re-direct users to an unexpected location.

### Mitigations - Don't use the `@keystone-6/auth` package

### References - [CWE-601: URL Redirection to Untrusted Site ('Open Redirect')](https://cwe.mitre.org/data/definitions/601.html) - [OWASP: Unvalidated Redirects and Forwards Cheat Sheet](https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html)

#### Similar Vulnerability Reports - [CVE-2023-0748](https://nvd.nist.gov/vuln/detail/CVE-2023-0748) - [CVE-2022-2252](https://nvd.nist.gov/vuln/detail/CVE-2022-2252)

#### Credits Thanks to [morioka12](https://github.com/scgajge12) for reporting this problem.

If you have any questions around this security advisory, please don't hesitate to contact us at [security@keystonejs.com](mailto:security@keystonejs.com), or [open an issue on GitHub](https://github.com/keystonejs/keystone/issues/new/choose).

If you have a security flaw to report for any software in this repository, please see our [SECURITY policy](https://github.com/keystonejs/keystone/blob/main/SECURITY.md).

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EUVD-2026-208935

fkie_cve-2023-34247

GHSA-jqxr-vjvv-899m — @keystone-6/auth Open Redirect vulnerability

gsd-2023-34247