{"id":"CVE-2026-13056","aliases":["BIT-mongodb-2026-13056","EUVD-2026-47779","GHSA-7wp7-648j-j534","UBUNTU-CVE-2026-13056"],"status":"published","title":"A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM","description":"Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.","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":"2026-11-11","score":0.00402,"percentile":0.34912,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1325"],"published":"2026-07-22T19:22:27Z","modified":"2026-10-28T02:30:24Z","fixes":[{"ecosystem":"Bitnami","package":"mongodb","fixed_in":["8.0.28","8.3.7"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mongodb","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.0.28"},{"introduced":"8.3.0"},{"fixed":"8.3.7"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.4.6-0ubuntu5","1:2.4.6-0ubuntu6","1:2.4.8-1ubuntu1","1:2.4.8-2","1:2.4.9-1","1:2.4.9-1ubuntu1","1:2.4.9-1ubuntu2","1:2.4.9-1ubuntu2+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.6.10-0ubuntu1","1:2.6.10-0ubuntu1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:3.4.7-1","1:3.4.7-1ubuntu1","1:3.4.7-1ubuntu2","1:3.4.7-1ubuntu4","1:3.4.14-3ubuntu1","1:3.4.14-3ubuntu2","1:3.6.3-0ubuntu1","1:3.6.3-0ubuntu1.1","1:3.6.3-0ubuntu1.3","1:3.6.3-0ubuntu1.4","1:3.6.3-0ubuntu1.4+esm1","1:3.6.3-0ubuntu1.4+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+esm1"]}],"products":[{"vendor":"mongodb","product":"mongodb"},{"vendor":"mongodb","product":"mongodb server"},{"vendor":"mongodb, inc.","product":"mongodb server"}],"references":[{"url":"https://jira.mongodb.org/browse/SERVER-124355","tags":["Vendor Advisory","Issue Tracking","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13056","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-7wp7-648j-j534"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13056.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-13056","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-13056","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-13056","title":"A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM","description":"Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.","status":"published","published":"2026-07-22T19:22:27.869Z","modified":"2026-07-23T14:25:45.17Z","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","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-1325"],"updated_at":"2026-11-02T14:19:50.24628Z"}],"euvd":[{"id":"EUVD-2026-47779","description":"Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.","status":"published","published":"2026-07-22T19:22:27Z","modified":"2026-07-23T14:25:45Z","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":"2026-11-02T18:19:43.496187Z"}],"ghsa":[{"id":"GHSA-7wp7-648j-j534","title":"Using expressions that generate large arrays it is possible to craft a query that creates very...","description":"Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.","status":"published","published":"2026-07-22T21:32:06Z","modified":"2026-07-22T21:32:10Z","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/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"}],"cwes":["CWE-1325"],"updated_at":"2026-11-02T15:09:40.63131Z"}],"nvd":[{"id":"CVE-2026-13056","description":"Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.","status":"published","published":"2026-07-22T20:16:43.383Z","modified":"2026-10-24T13:10:00.147Z","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-1325"],"updated_at":"2026-11-02T14:12:32.089897Z"}],"osv":[{"id":"CVE-2026-13056","title":"A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM","description":"Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.","status":"published","published":"2026-07-22T19:22:27.869Z","modified":"2026-10-28T02:30:24.655613555Z","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-1325"],"updated_at":"2026-11-02T15:44:57.354194Z"},{"id":"UBUNTU-CVE-2026-13056","description":"Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.","status":"published","published":"2026-07-22T20:16:00Z","modified":"2026-07-29T07:53:20Z","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":"2026-11-02T16:56:00.592716Z"},{"id":"BIT-mongodb-2026-13056","title":"A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM","description":"Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.","status":"published","published":"2026-08-17T05:49:20.014Z","modified":"2026-09-08T08:48:14.514943364Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}