Name: CVE-2026-9753: Improper Validation of Specified Type of Input
Creator: Rapid7
Published: 2026-06-09T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-9753, CWE-787, CWE-1287, CVSS 8.1, EPSS 0.00063

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.

CVSS Details

CVSS 4.0 Base Score: 7.2 (HIGH)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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)
CVSS 3.1 Base Score: 8.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Mongodb	—	Upgrade MongoDB to version 8.3.3Upgrade MongoDB to version 7.0.35Upgrade to the latest version of MongoDBUpgrade MongoDB to version 8.2.10Upgrade MongoDB to version 8.0.24	Jun 30, 2026	Jun 9, 2026

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CVSS Details

Covered by Rapid7

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