{"id":"CVE-2023-6841","aliases":["GHSA-w97f-w3hq-36g2"],"url":"https://o3.security/vulnerability/CVE-2023-6841","summary":"Keycloak: amount of attributes per object is not limited and it may lead to dos","details":"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.","published":"2024-09-10T16:15:32.639Z","modified":"2026-08-12T03:51:10.713085097Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00736,"percentile":0.52808,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-core","fixedVersion":"24.0.0"}],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-6841"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6841.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6841"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2254714"},{"type":"PACKAGE","url":"https://github.com/keycloak/keycloak"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:10.713085097Z"}}