CVE-2026-9753
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.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.1
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
- EPSS probability
- 0.30%
- CWE
- CWE-1287
- Published
- 2026-06-09
- Last modified
- 2026-06-10
Affected products
- MongoDB MongoDB Server
- MongoDB MongoDB Server
- MongoDB MongoDB Server
- MongoDB MongoDB Server
Weakness type
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