CVE-2026-13058 Transaction Command Insufficient Input Validation Leading to Process Termination

High 7.1 Published Updated

An authenticated user can crash the MongoDB server by sending a malformed transaction command, 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-2026-13058?

CVE-2026-13058 is a high-severity denial of service vulnerability in Mongodb Mongodb, published on 22 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An authenticated user with basic write privileges can cause the mongod process to terminate abnormally by sending a crafted transaction command with an incomplete set of required fields. The issue stems from inconsistent validation across related transaction command parameters, resulting in a fatal internal invariant failure and denial of service.

Weakness: CWE-617

Which versions are affected by CVE-2026-13058?

1 open source package ship an affected version, including mongodb. It affects 1 product.

PackageAffectedFixed in
mongodb BitnamiFrom 8.0.08.0.28, 8.2.12, 8.3.7

Products include Mongodb Mongodb.

How do I fix CVE-2026-13058?

Upgrade mongodb to a fixed version for your release line: 8.0.28, 8.2.12 or 8.3.7.

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-2026-13058 being exploited?

There is no known exploitation of CVE-2026-13058 in the wild and no public exploit code.

All Mongodb Mongodb vulnerabilities

Sources

Also known as BIT-mongodb-2026-13058, GHSA-538q-5r7v-2m59, MINI-52x7-2vw2-4533, MINI-7r3p-5cq7-43jp, MINI-9qqq-qp23-6gcf, UBUNTU-CVE-2026-13058.

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