Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service (MongoDB MongoDB Server)

CVE-2026-18707
MEDIUM 5.3

At a glance

Source
NVD
EPSS
EPSS 0.35 % Β· percentile 29 ()
State
PUBLISHED
Published
Updated
Assigner
mongodb
NVD status
Analyzed

Description

An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 4.0MEDIUM 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:Nmongodb
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lmongodb
CVSS 4.0MEDIUM 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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:XNVD Β· cna@mongodb.com (Secondary)
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LNVD Β· cna@mongodb.com (Secondary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
MongoDB Β· MongoDB Serveraffected 8.3.0 < 8.3.8

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD