{"id":"CVE-2026-8063","aliases":["BIT-mongodb-2026-8063","EUVD-2026-28326","GHSA-v547-m6pg-pf7w","UBUNTU-CVE-2026-8063"],"status":"published","title":"Post-auth null pointer dereference when aggregating against a view with empty search pipeline","description":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view.\n\nWhen resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads the first element on each stage’s input pipeline array without first verifying that the array is non-empty. Supplying an empty pipeline causes a null pointer dereference and crashes the server.\n\nThis issue affects MongoDB Server 8.2 versions prior to 8.2.7.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.0023,"percentile":0.13837,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2026-05-07T04:12:54Z","modified":"2026-10-28T02:30:53Z","fixes":[{"ecosystem":"Bitnami","package":"mongodb","fixed_in":["8.2.7"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mongodb","ranges":[{"type":"SEMVER","events":[{"introduced":"8.2.0"},{"fixed":"8.2.7"}]}]}],"products":[{"vendor":"mongodb","product":"mongodb"},{"vendor":"mongodb inc.","product":"mongodb server"},{"vendor":"mongodb, inc.","product":"mongodb server"}],"references":[{"url":"https://jira.mongodb.org/browse/SERVER-121851","tags":["issue-tracking","Issue Tracking","Patch","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8063","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-v547-m6pg-pf7w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8063.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-8063","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-8063","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-8063","title":"Post-auth null pointer dereference when aggregating against a view with empty search pipeline","description":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view.\n\nWhen resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads the first element on each stage’s input pipeline array without first verifying that the array is non-empty. Supplying an empty pipeline causes a null pointer dereference and crashes the server.\n\nThis issue affects MongoDB Server 8.2 versions prior to 8.2.7.","status":"published","published":"2026-05-07T04:12:54.524Z","modified":"2026-05-07T12:58:36.281Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"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-476"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-28326","description":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view.\n\nWhen resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads the first element on each stage’s input pipeline array without first verifying that the array is non-empty. Supplying an empty pipeline causes a null pointer dereference and crashes the server.\n\nThis issue affects MongoDB Server 8.2 versions prior to 8.2.7.","status":"published","published":"2026-05-07T04:12:54Z","modified":"2026-05-07T12:58:36Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:05:15.366699Z"}],"ghsa":[{"id":"GHSA-v547-m6pg-pf7w","title":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty...","description":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view.\n\nWhen resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads the first element on each stage’s input pipeline array without first verifying that the array is non-empty. Supplying an empty pipeline causes a null pointer dereference and crashes the server.\n\nThis issue affects MongoDB Server 8.2 versions prior to 8.2.7.","status":"published","published":"2026-05-07T06:31:42Z","modified":"2026-05-07T06:31:49Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"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-476"],"updated_at":"2026-11-02T15:07:56.440319Z"}],"nvd":[{"id":"CVE-2026-8063","description":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view.\n\nWhen resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads the first element on each stage’s input pipeline array without first verifying that the array is non-empty. Supplying an empty pipeline causes a null pointer dereference and crashes the server.\n\nThis issue affects MongoDB Server 8.2 versions prior to 8.2.7.","status":"published","published":"2026-05-07T06:16:05.723Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"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-476"],"updated_at":"2026-11-02T14:12:17.842772Z"}],"osv":[{"id":"CVE-2026-8063","title":"Post-auth null pointer dereference when aggregating against a view with empty search pipeline","description":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view.\n\nWhen resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads the first element on each stage’s input pipeline array without first verifying that the array is non-empty. Supplying an empty pipeline causes a null pointer dereference and crashes the server.\n\nThis issue affects MongoDB Server 8.2 versions prior to 8.2.7.","status":"published","published":"2026-05-07T04:12:54.524Z","modified":"2026-10-28T02:30:53.195931618Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:45:17.773945Z"},{"id":"UBUNTU-CVE-2026-8063","description":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view. When resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads the first element on each stage’s input pipeline array without first verifying that the array is non-empty. Supplying an empty pipeline causes a null pointer dereference and crashes the server. This issue affects MongoDB Server 8.2 versions prior to 8.2.7.","status":"withdrawn","published":"2026-05-07T06:16:00Z","modified":"2026-09-11T20:53:38.990699738Z","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"},{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:57:18.015985Z"},{"id":"BIT-mongodb-2026-8063","title":"Post-auth null pointer dereference when aggregating against a view with empty search pipeline","description":"An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view.\n\nWhen resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads the first element on each stage’s input pipeline array without first verifying that the array is non-empty. Supplying an empty pipeline causes a null pointer dereference and crashes the server.\n\nThis issue affects MongoDB Server 8.2 versions prior to 8.2.7.","status":"published","published":"2026-05-12T08:52:12.873Z","modified":"2026-09-08T08:48:14.547283846Z","updated_at":"2026-11-02T15:28:33.469426Z"}]}}