CVE WatchAug 27, 2026

CVE-2026-81526

The MongoDB Rust Driver does not neutralize special characters in a caller-supplied target identifier before embedding it in the request it

CVSS

6.5

Medium

EPSS

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KEV

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Exploit Today

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0-100

Published: Aug 27, 2026 · Last modified: Aug 27, 2026 · CWE-74

EPSS · 30d

Not enough EPSS history yet.

Technical 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.

Official references

github.comhttps://github.com/mongodb/mongo-rust-driver/releases/tag/v3.8.2

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