PT-2026-40531 · Mongodb · Mongodb Server+1

Published 2026-05-13 · Updated 2026-05-19 · CVE-2026-8336

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions MongoDB Server versions prior to 7.0.34 MongoDB Server versions prior to 8.0.23 MongoDB Server versions prior to 8.2.9 MongoDB Server versions prior to 8.3.2

Description An authenticated user can cause a denial-of-service by crashing mongod. This occurs after invoking $ internalJsEmit or the map function of the mapreduce command in a specific manner, followed by the use of the server-side JavaScript engine through $where, $function, or the mapreduce reduce stage.

Recommendations Update to version 7.0.34 or later. Update to version 8.0.23 or later. Update to version 8.2.9 or later. Update to version 8.3.2 or later.

Fix

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BIT-MONGODB-2026-8336

CVE-2026-8336

Affected Products

Mongodb Server

Mongodb

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-8336 · Security Note
• https://jira.mongodb.org/browse/SERVER-121610 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-8336 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-8336 · Security Note
• https://osv.dev/vulnerability/BIT-mongodb-2026-8336 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-8336 · Vendor Advisory
• https://t.me/CVEtracker/53592 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-8336 · Note