Is CVE-2026-4147 actively exploited?

CVE-2026-4147 has no public evidence of in-the-wild exploitation as of 2026-04-10.

What is the CVSS score for CVE-2026-4147?

CVE-2026-4147 has a CVSS score of 7.1 (HIGH severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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.

How do I patch CVE-2026-4147?

Patch guidance is available from mongodb security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-4147.

Fix CVE-2026-4147 - HIGH mongodb mongodb

Q: Which products are affected by CVE-2026-4147?

8 products: mongodb mongodb, mongodb mongodb, mongodb mongodb, mongodb mongodb, mongodb mongodb, and 3 more.

Description

An authenticated user with the read role may read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-457 CWE-908

Metadata

Primary Vendor: MONGODB
Published: 3/17/2026
Last Modified: 4/10/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mongodb : mongodbmongodb : mongodbmongodb : mongodbmongodb : mongodbmongodb : mongodbmongodb : mongodbmongodb : mongodbmongodb : mongodb

Remediation Guidance

Executive Summary

View on NIST NVD