Reachable Assertion Affecting mongodb package, versions [7.0.0-alpha,7.0.35)[8.0.0-alpha,8.0.24)[8.2.0-alpha,8.2.10)[8.3.0-alpha0,8.3.3)
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-UNMANAGED-MONGODB-17660892
- published28 Jun 2026
- disclosed9 Jun 2026
- creditUnknown
Introduced: 9 Jun 2026
CVE-2026-9747 (opens in a new tab)How to fix?
Upgrade mongodb to version 7.0.35, 8.0.24, 8.2.10, 8.3.3 or higher.
Overview
Affected versions of this package are vulnerable to Reachable Assertion via the aggregation process. An attacker can cause the server to crash by supplying crafted values for the fromRouter and runtimeConstants.userRoles parameters during cross-shard merge operations.