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Multiple Vulnerabilities in MongoDB

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: HIGH

Software Affected

MongoDB 8.2 versions prior to 8.2.6

MongoDB 8.0 versions prior to 8.0.20

MongoDB 7.0 versions prior to 7.0.31

Overview

Multiple vulnerabilities have been reported in MongoDB, which could allow an attacker to access sensitive information on the targeted system.

Target Audience:

All end-user organizations and individuals using MongoDB.

Risk Assessment:

High risk of unauthorized access to sensitive information.

Impact Assessment:

Potential for unauthorized access and information disclosure.

Description

MongoDB is a document-based database that stores information in flexible, JSON-like documents rather than traditional tables and rows, making it well suited for handling large or evolving data structures.

Multiple vulnerabilities exist in MongoDB due to Use-after-free in the classic engine $lookup and $graphLookup aggregation operators and stack memory disclosure in specially crafted filemd5 command. 

Successful exploitation of these vulnerabilities could allow an attacker to access sensitive information on the targeted system.

Solution

Apply appropriate updates as mentioned by the vendor:

https://www.mongodb.com/resources/products/alerts#security

Vendor Information

MongoDB

https://www.mongodb.com/resources/products/alerts#security

References

MongoDB

https://jira.mongodb.org/browse/SERVER-119319

https://jira.mongodb.org/browse/SERVER-119317

CVE Name

CVE-2026-4147

CVE-2026-4148

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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