CVE-2026-13065

EUVD-2026-47796
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mongodbCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mongodbmongodb
7.0 ≤
𝑥
< 7.0.39
CNA
mongodbmongodb
8.0 ≤
𝑥
< 8.0.28
CNA
mongodbmongodb
8.2.0 ≤
𝑥
< 8.2.12
CNA
mongodbmongodb
8.3.0 ≤
𝑥
< 8.3.7
CNA
Common Weakness Enumeration
References
https://jira.mongodb.org/browse/SERVER-127280