cbcvebase.
CVE-2026-18712
published 2026-08-11

CVE-2026-18712: An issue in MongoDB Server's Queryable Encryption maintenance operations could allow an authenticated user with privileges on one encrypted collection to cause…

PriorityP346high8.1CVSS 3.1
AVNACLPRLUINSUCNIHAH
EPSS
0.17%
6.3th percentile
An issue in MongoDB Server's Queryable Encryption maintenance operations could allow an authenticated user with privileges on one encrypted collection to cause unauthorized modification or destruction of data belonging to a different collection. This is due to insufficient validation of certain internal metadata references before they are used to perform operations on other namespaces.

Affected

10 ranges
VendorProductVersion rangeFixed in
mongodbmongodb——
mongodbmongodb——
mongodbmongodb——
mongodbmongodb>= 7.0.0 < 7.0.407.0.40
mongodbmongodb>= 8.0.0 < 8.0.298.0.29
mongodbmongodb8.2.0 – 8.2.12—
mongodbmongodb>= 8.3.0 < 8.3.88.3.8
mongodbmongodb_server>= 7.0 < 7.0.407.0.40
mongodbmongodb_server>= 8.0 < 8.0.298.0.29
mongodbmongodb_server>= 8.3.0 < 8.3.88.3.8

CVSS provenance

nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
nvdv4.07.2HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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
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