CVE-2026-8843 Affecting mongod-8.0-advanced-compat package, versions <8.0.21-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.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-MONGOD80ADVANCEDCOMPAT-20147765
- published26 Sept 2026
- disclosed18 May 2026
Introduced: 18 May 2026
CVE-2026-8843 (opens in a new tab)How to fix?
Upgrade Minimos:latest mongod-8.0-advanced-compat to version 8.0.21-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mongod-8.0-advanced-compat package and not the mongod-8.0-advanced-compat package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
Creating a "2dsphere_bucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "queryable_encrypted_range" indices.
This issue affects MongoDB Server v7.0 versions prior to 7.0.32, v8.0 versions prior to 8.0.21 and v8.2 versions prior to 8.2.6