NULL pointer dereference in Mongodb Server

CVE-2026-13065

A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of ser…

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13065?
CVE-2026-13065 is a medium-severity vulnerability in Mongodb Server, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-07-22.
How severe is CVE-2026-13065?
Medium severity. CVSS v3 base score is 6.5 out of 10.