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…

PriorityP337medium6.5CVSS 3.1

AVNACLPRLUINSUCNINAH

EPSS

0.50%

41.7th percentile

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 service. The issue stems from insufficient validation of sort specifications during execution.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
mongodb	mongodb	>= 7.0.0 < 7.0.39	7.0.39
mongodb	mongodb	>= 8.0.0 < 8.0.28	8.0.28
mongodb	mongodb	>= 8.2.0 < 8.2.12	8.2.12
mongodb	mongodb	>= 8.3.0 < 8.3.7	8.3.7
mongodb	mongodb_server	>= 7.0 < 7.0.39	7.0.39
mongodb	mongodb_server	>= 8.0 < 8.0.28	8.0.28
mongodb	mongodb_server	>= 8.2.0 < 8.2.12	8.2.12
mongodb	mongodb_server	>= 8.3.0 < 8.3.7	8.3.7

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvdv4.07.1HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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