{"id":"CVE-2026-1577","aliases":["EUVD-2026-26439","GHSA-mcwg-ghgc-h3xj"],"status":"published","title":"IBM® Db2® is vulnerable to a denial of service with a specially crafted query involving multiple subqueries","description":"IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00335,"percentile":0.27067,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1284","CWE-20"],"published":"2026-04-30T21:49:24Z","modified":"2026-10-26T22:10:00Z","products":[{"vendor":"ibm","product":"db2"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7269434","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1577"},{"url":"https://github.com/advisories/GHSA-mcwg-ghgc-h3xj"}],"sources":{"cve":[{"id":"CVE-2026-1577","title":"IBM® Db2® is vulnerable to a denial of service with a specially crafted query involving multiple subqueries","description":"IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.","status":"published","published":"2026-04-30T21:49:24.614Z","modified":"2026-05-10T13:21:48.83Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-26439","description":"IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.","status":"published","published":"2026-04-30T21:49:24Z","modified":"2026-05-10T13:21:48Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:05:13.690762Z"}],"ghsa":[{"id":"GHSA-mcwg-ghgc-h3xj","title":"IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes...","description":"IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.","status":"published","published":"2026-05-01T00:31:26Z","modified":"2026-05-10T15:31:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20","CWE-1284"],"updated_at":"2026-11-02T15:07:58.760928Z"}],"nvd":[{"id":"CVE-2026-1577","description":"IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.","status":"published","published":"2026-04-30T22:16:25.017Z","modified":"2026-10-26T22:10:00.163Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-1284","CWE-20"],"updated_at":"2026-11-02T14:12:16.626888Z"}]}}