CVE-2025-7259 Certain Queries with Duplicate _id Fields May Cause MongoDB Server to Crash
Authorized users can crash the MongoDB server by issuing queries with duplicate _id fields, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-7259?
CVE-2025-7259 is a medium-severity denial of service vulnerability in Mongodb Mongodb, published on 7 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An authorized user can issue queries with duplicate _id fields, that leads to unexpected behavior in MongoDB Server, which may result to crash. This issue can only be triggered by authorized users and cause Denial of Service. This issue affects MongoDB Server v8.1 version 8.1.0.
Weakness: CWE-843
Which versions are affected by CVE-2025-7259?
1 open source package ship an affected version, including mongodb. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mongodb Bitnami | From 8.1.0 | 8.2.0 |
Products include Mongodb Mongodb.
How do I fix CVE-2025-7259?
Upgrade mongodb to 8.2.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-7259 being exploited?
There is no known exploitation of CVE-2025-7259 in the wild and no public exploit code.
Other vulnerabilities in Mongodb Mongodb
- CVE-2025-14847 MongoDB and MongoDB Server Improper Handling of Length Parameter Inconsistency
- CVE-2026-82067 Auth bypass in MongoDB Server
- CVE-2026-13072 MongoDB Improper Input Validation in Compute Mode External Data Processing Leading to Memory Corruption
- CVE-2017-15535 Denial of service in n/a
- CVE-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure
Sources
Also known as BIT-mongodb-2025-7259, GHSA-xg2f-3225-7hxr, UBUNTU-CVE-2025-7259.