CVE-2026-18709 Affecting mongos-7.0 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.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-MONGOS70-19888809
- published18 Sept 2026
- disclosed11 Aug 2026
Introduced: 11 Aug 2026
CVE-2026-18709 (opens in a new tab)How to fix?
Upgrade Minimos:latest mongos-7.0 to version 7.0.40-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mongos-7.0 package and not the mongos-7.0 package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
An issue in MongoDB Server could allow an authenticated user with direct network access to a shard to improperly commit or abort an in-progress prepared transaction, bypassing the intended transaction coordination process. This could result in cross-shard data inconsistency, cluster clock corruption, and violation of transaction atomicity guarantees.