{"id":"CVE-2026-13060","title":"$graphLookup Aggregation Stage Authorization Check Inconsistency Allowing Unauthorized Collection Access","summary":"An authenticated user with limited read privileges may be able to access documents from collections they are not authorized to read, due to an inconsistency in how the $graphLookup aggregation stage is evaluated during authorization and …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-863"],"vendor":"MongoDB","product":"MongoDB Server","affected":["server >= 7.0 < 7.0.39","server >= 8.0 < 8.0.28","server >= 8.2.0 < 8.2.12","server >= 8.3.0 < 8.3.7"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-23T14:18:14.197867Z"},"published":"2026-07-22","updated":"2026-09-17","sourceUpdated":"2026-09-17T18:35:50.169Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-13060","references":[{"url":"https://jira.mongodb.org/browse/SERVER-127357"}],"tags":["cve.org"],"epss":0.004,"epssPercentile":0.33942,"ingestedAt":"2026-09-17T19:26:25.353Z","slug":"CVE-2026-13060","body":"## Overview\n\nAn authenticated user with limited read privileges may be able to access documents from collections they are not authorized to read, due to an inconsistency in how the $graphLookup aggregation stage is evaluated during authorization and during execution. Affected scenarios involve collections referenced within existing view pipeline definitions.\n\n## Affected\n\n- `server >= 7.0 < 7.0.39`\n- `server >= 8.0 < 8.0.28`\n- `server >= 8.2.0 < 8.2.12`\n- `server >= 8.3.0 < 8.3.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}