{"action":"Upgrade org.apache.druid:druid-core to 0.21.0 or later.","affected":[{"fixed":"0.21.0","introduced":"0"}],"component":"org.apache.druid:druid-core","cve_ids":["CVE-2021-26920","CVE-2023-26920"],"ecosystem":"Maven","epss":0.09498,"exploited":false,"fixed_versions":["0.21.0"],"ghsa_id":"GHSA-793h-6f7r-6qvm","id":"tcs_01M5N8HYJ4D28H3D7SZC78P7YB","modified_at":"2026-07-08T06:53:00.349295664Z","published_at":"2021-08-13T15:21:50Z","references":["https://osv.dev/vulnerability/GHSA-793h-6f7r-6qvm","https://nvd.nist.gov/vuln/detail/CVE-2021-26920","https://lists.apache.org/thread.html/r29e45561343cc5cf7d3290ee0b0e94e565faab19c20d022df9b5e29c%40%3Cdev.druid.apache.org%3E","https://lists.apache.org/thread.html/r304dfe56a5dfe1b2d9166b24d2c74ad1c6730338b20aef77a00ed2be@%3Cannounce.apache.org%3E","https://lists.apache.org/thread.html/r61aab724cf97d80da7f02d50e9af6de5c7c40dd92dab7518746fbaa2@%3Cannounce.apache.org%3E","https://lists.apache.org/thread.html/rc9400a70d0ec5cdb8a3486fc5ddb0b5282961c0b63e764abfbcb9f5d@%3Cdev.druid.apache.org%3E","http://www.openwall.com/lists/oss-security/2021/07/02/1","http://www.openwall.com/lists/oss-security/2021/09/24/1"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-793h-6f7r-6qvm","url":"https://osv.dev/vulnerability/GHSA-793h-6f7r-6qvm"}],"summary":"Druid ingestion system Authenticated users can read data from other sources than intended"}