Answer in brief
CVE-2023-6841 records a High severity (CVSS 7.5) vulnerability in Keycloak: amount of attributes per object is not limited and it may lead to dos. The current sources do not mark it as known exploited. The current feed maps keycloak (generic), Red Hat/rh-sso7-keycloak (generic), org.keycloak:keycloak-core (maven). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps keycloak (generic), Red Hat/rh-sso7-keycloak (generic), org.keycloak:keycloak-core (maven). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| keycloakgeneric | >=0 <24.0.0 | 24.0.0 |
| Red Hat/rh-sso7-keycloakgeneric | * | Not reported |
| org.keycloak:keycloak-coremaven | >=0 <24.0.0 | 24.0.0 |
Published upstream
Sep 10, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.
Quoted source text, attributed separately from HOL analysis.