CVE-2026-81524: A weakness in the MongoDB C Driver allows special elements in caller-supplied database and collection name components to pass without sanitization when the…

PriorityP429medium5.4CVSS 3.1

AVNACLPRLUINSUCLILAN

EPSS

0.27%

17.8th percentile

A weakness in the MongoDB C Driver allows special elements in caller-supplied database and collection name components to pass without sanitization when the driver composes the target namespace for an operation. An application that incorporates untrusted input into these name components can have operations directed at a resource other than the one intended.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
mongodb	c_driver	>= 1.0.0 < 2.5.1	2.5.1

CVSS provenance

nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

nvdv4.05.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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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