CVE-2026-18691 Affecting mongod-7.0-advanced-compat package, versions <7.0.40-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-MINIMOSLATEST-MONGOD70ADVANCEDCOMPAT-19889288
- published18 Sept 2026
- disclosed11 Aug 2026
Introduced: 11 Aug 2026
CVE-2026-18691 (opens in a new tab)How to fix?
Upgrade Minimos:latest mongod-7.0-advanced-compat to version 7.0.40-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mongod-7.0-advanced-compat package and not the mongod-7.0-advanced-compat package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
An issue in MongoDB Server's intra-cluster connection setup could allow a party with suitable network access to influence which authentication mechanism is used when one replica set member connects to another. Under certain conditions, this could cause the cluster's shared internal credential to be transmitted in a less-protected form, potentially allowing that credential to be recovered. If recovered, the credential could be used to authenticate as the internal superuser to nodes in the deployment.