{"id":"CVE-2026-56146","state":"PUBLISHED","title":"Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure","description":"Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged authenticated user with read-only Security Solution access could perform write operations on watchlist data that should require elevated privileges. Under specific deployment conditions, this could also allow such a user to access data beyond their authorized scope.","publishedAt":"2026-07-21T20:09:18.544Z","updatedAt":"2026-07-22T18:25:16.770Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","source":"elastic"},"assigner":"elastic","products":["Elastic Kibana"],"affected":[{"vendor":"Elastic","product":"Kibana","defaultStatus":"unaffected","versions":[{"version":"9.4.0","status":"affected","lessThanOrEqual":"9.4.2","versionType":"semver"}]}],"references":["https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-58/388557"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/56xxx/CVE-2026-56146.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-56146","state":"PUBLISHED","datePublished":"2026-07-21T20:09:18.544Z","dateUpdated":"2026-07-22T18:25:16.770Z","assignerShortName":"elastic","assignerOrgId":"271b6943-45a9-4f3a-ab4e-976f3fa05b5a","dateReserved":"2026-06-19T11:01:02.535Z"},"containers":{"cna":{"title":"Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure","descriptions":[{"lang":"en","value":"Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged authenticated user with read-only Security Solution access could perform write operations on watchlist data that should require elevated privileges. Under specific deployment conditions, this could also allow such a user to access data beyond their authorized scope."}],"affected":[{"vendor":"Elastic","product":"Kibana","defaultStatus":"unaffected","versions":[{"version":"9.4.0","status":"affected","lessThanOrEqual":"9.4.2","versionType":"semver"}]}],"references":[{"url":"https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-58/388557"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":5.4,"confidentialityImpact":"LOW","integrityImpact":"LOW","scope":"UNCHANGED","userInteraction":"NONE","privilegesRequired":"LOW","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"elastic","orgId":"271b6943-45a9-4f3a-ab4e-976f3fa05b5a","dateUpdated":"2026-07-21T20:09:18.544Z"},"impacts":[{"capecId":"CAPEC-122","descriptions":[{"lang":"en","value":"CAPEC-122 Privilege Abuse"}]}],"source":{"discovery":"Elastic"},"x_generator":{"engine":"Elastic CVE Publisher 0.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-22T18:13:58.994356Z","id":"CVE-2026-56146","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-22T18:25:16.770Z"}}]}}}