CVE-2026-6915 Flaw in the updateUser Command May Allow Unauthorized Configuration Change
An authenticated user can modify another user's authentication data, potentially bypassing security controls in MongoDB Server.
- 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-2026-6915?
CVE-2026-6915 is a medium-severity missing authorization vulnerability in Mongodb Mongodb, published on 29 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An authorization flaw in the user management command could allow an authenticated user to make limited changes to authentication-related data associated with another user account. This could affect how authentication is performed for the impacted account.
Weakness: CWE-1284
Which versions are affected by CVE-2026-6915?
1 open source package ship an affected version, including mongodb. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mongodb Bitnami | From 7.0.0 | 7.0.32, 8.0.21, 8.2.7 |
Products include Mongodb Mongodb.
How do I fix CVE-2026-6915?
Upgrade mongodb to a fixed version for your release line: 7.0.32, 8.0.21 or 8.2.7.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-6915 being exploited?
There is no known exploitation of CVE-2026-6915 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-2026-6915, GHSA-fmrc-pppf-w7vf, MINI-jh2r-rm58-92ww, MINI-xw2x-92pg-7224, UBUNTU-CVE-2026-6915.