CVE-2026-4148
A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline.
- Affected products
- Mongodb Server, Mongodb
- Mongodb
- < 7.0.31, 8.0.20, 8.2.6, 8.3.0
- CVSS 3.1
- 8.8 HIGH
- EPSS
- 0.3% (25th percentile)
- Weakness
- CWE-416
- NVD status
- Analyzed
- Published
- 2026-03-17
CVE-2026-4148 at NVD
No indexed exploits for CVE-2026-4148 yet
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No exploit for CVE-2026-4148 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.