CVE-2026-4358
A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.
- Mongodb
- < 7.0.31, 8.0.20, 8.2.6
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.3% (27th percentile)
- Weakness
- CWE-415
- NVD status
- Analyzed
- Published
- 2026-03-17
CVE-2026-4358 at NVD
No indexed exploits for CVE-2026-4358 yet
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No exploit for CVE-2026-4358 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.