CVE-2026-4148 | THREATINT

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.

PUBLISHED Reserved 2026-03-13 | Published 2026-03-17 | Updated 2026-03-18 | Assigner mongodb

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-416 Use after free

Product status

Default status

unaffected

8.2 (custom) before 8.2.6

affected

8.0 (custom) before 8.0.20

affected

7.0 (custom) before 7.0.31

affected

References

jira.mongodb.org/browse/SERVER-119319

cve.org (CVE-2026-4148)

nvd.nist.gov (CVE-2026-4148)

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