CVE-2026-9753
Server crash via malformed binary diff passed to $_internalApplyOplogUpdate.
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-1287 |
| Vendor | mongodb |
| Product | mongodb server |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 9, 2026 |
| Last Updated | Jun 9, 2026 |
Stay Ahead of the Next One
Get instant alerts for mongodb mongodb server
Be the first to know when new high vulnerabilities affecting mongodb mongodb server are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Affected Versions
MongoDB / MongoDB Server
8.3.0 < 8.3.3 8.2.0 < 8.2.10 8.0.0 < 8.0.24 7.0.0 < 7.0.35
References
Credits
daffainfo (Muhammad Daffa)