CVE-2026-4148HIGH 8.8EPSS p20.3%

CVE-2026-4148CVE-2026-4148

Description

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.29% probability of exploitation · percentile 20.3% · 2026-06-19T12:03:05Z
Published2026-03-17
Last modified2026-04-10

Underlying weaknesses· 1

CWE-416

References

  1. https://jira.mongodb.org/browse/SERVER-119319

1

TypeTargetConfidenceTier
WeaknessUse After Freecwe-4160%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.