Double Free Affecting mongodb package, versions [,7.0.31)[7.1.0-alpha,8.0.20)[8.1.0-alpha,8.2.6)[8.3.0-alpha0,8.3.0-rc0)
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-15838418
- published30 Mar 2026
- disclosed17 Mar 2026
- creditUnknown
Introduced: 17 Mar 2026
CVE-2026-4358 (opens in a new tab)How to fix?
Upgrade mongodb to version 7.0.31, 8.0.20, 8.2.6, 8.3.0-rc0 or higher.
Overview
Affected versions of this package are vulnerable to Double Free in the slot-based execution (SBE) engine. An attacker can cause memory corruption or application crash by submitting a specially crafted aggregation query with $lookup when an in-memory hash table is spilled to disk.