PT-2026-48303 · Mongodb · Mongodb Server

Daffainfo · Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-9753

Mitre

CVSS v3.1

8.1

High

Base vector

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

The $ internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $ internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.

Fix

Weakness Enumeration

CWE-1287

Related Identifiers

CVE-2026-9753

Affected Products

Mongodb Server

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-9753 · Security Note
• https://jira.mongodb.org/browse/SERVER-124959 · Note