CVE-2026-9753

EUVD-2026-35852
The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mongodbCNA
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mongodbmongodb
8.3.0 ≤
𝑥
< 8.3.3
CNA
mongodbmongodb
8.2.0 ≤
𝑥
< 8.2.10
CNA
mongodbmongodb
8.0.0 ≤
𝑥
< 8.0.24
CNA
mongodbmongodb
7.0.0 ≤
𝑥
< 7.0.35
CNA