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CVE-2026-81526: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in MongoDB Rust Driver

0
High
VulnerabilityCVE-2026-81526cvecve-2026-81526cwe-74
Published: 08/27/2026 (08/27/2026, 18:32:27 UTC)
Source: CVE Database V5
Vendor/Project: MongoDB
Product: Rust Driver

Description

The MongoDB Rust Driver does not neutralize special characters in a caller-supplied target identifier before embedding it in the request it sends to the server. An actor able to influence that identifier in an application using the driver may cause write operations to be applied to an unintended target within the same deployment using the application's own credentials. This may result in unauthorized modification of data belonging to another logical boundary enforced by the application.

CVSS v4.0

Score 7.1high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
High
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Affected software

Affected versions
=3.0.0

Technical Details

Data Version
5.2
Assigner Short Name
mongodb
Date Reserved
2026-08-26T22:14:12.179Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a909cffacd9273b49b2d384

Added to database: 08/27/2026, 20:24:31 UTC

Last updated: 08/28/2026, 02:37:10 UTC

Views: 6

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