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CVE-2026-4148 ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators

🗓️ 17 Mar 2026 15:53:57Reported by mongodbType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Readers with read access can trigger use-after-free in ExpressionContext via $lookup or $graphLookup in sharded clusters.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-4148
17 Mar 202615:53
attackerkb
Circl
CVE-2026-4148
17 Mar 202615:16
circl
CNNVD
MongoDB Server 安全漏洞
17 Mar 202600:00
cnnvd
CVE
CVE-2026-4148
17 Mar 202615:53
cve
EUVD
EUVD-2026-12587
17 Mar 202618:30
euvd
MongoDB
ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators
17 Mar 202615:53
mongodb
NVD
CVE-2026-4148
17 Mar 202616:16
nvd
OSV
BIT-MONGODB-2026-4148 ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators
13 May 202608:10
osv
OSV
MINI-3JRF-4C4G-6HM2
11 Apr 202615:17
osv
OSV
MINI-7R87-J66J-58X2
11 Apr 202620:18
osv
Rows per page
[
  {
    "vendor": "MongoDB Inc",
    "product": "MongoDB Server",
    "versions": [
      {
        "status": "affected",
        "version": "8.2",
        "lessThan": "8.2.6",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "8.0",
        "lessThan": "8.0.20",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "7.0",
        "lessThan": "7.0.31",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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