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

🗓️ 17 Mar 2026 15:53:57Reported by MongoDBType 
mongodb
 mongodb
🔗 www.mongodb.com👁 5 Views

ExpressionContext use-after-free in classic engine via crafted lookups in sharded clusters by a reader.

Related
Detection
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
Cvelist
CVE-2026-4148 ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators
17 Mar 202615:53
cvelist
EUVD
EUVD-2026-12587
17 Mar 202618:30
euvd
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
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Vulners
Node
OR
mongodbops_manager_serverRange8.08.0.20
OR
mongodbops_manager_serverRange7.07.0.31

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17 Mar 2026 16:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 48.7
CVSS 3.18.8
EPSS0.00288
SSVC
5