What is CVE-2026-8063?

CVE-2026-8063 is a medium-severity vulnerability in Mongodb, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-05-07.

How severe is CVE-2026-8063?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Mongodb

CVE-2026-8063

An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view. When resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stag…

EPSS: 0.001 (17.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mongodb
Mongodb Inc. Server — versions 8.2.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cna@mongodb.com (issue-tracking, Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-8063?: CVE-2026-8063 is a medium-severity vulnerability in Mongodb, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-05-07.
How severe is CVE-2026-8063?: Medium severity. CVSS v3 base score is 6.5 out of 10.