CVE-2026-18688 Affecting mongod-8.3-cis-hardened package, versions <8.3.8-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-MONGOD83CISHARDENED-19889050
- published18 Sept 2026
- disclosed11 Aug 2026
Introduced: 11 Aug 2026
CVE-2026-18688 (opens in a new tab)How to fix?
Upgrade Minimos:latest mongod-8.3-cis-hardened to version 8.3.8-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mongod-8.3-cis-hardened package and not the mongod-8.3-cis-hardened package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed numeric parameter in a certain aggregation pipeline stage. This could result in a server crash (denial of service) and may potentially expose a limited amount of memory contents.