CVE-2026-9753

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 authe…

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9753?
CVE-2026-9753 is a high-severity vulnerability, classified under CWE-1287. CVSS score: 8.1/10. Published 2026-06-09.
How severe is CVE-2026-9753?
High severity. CVSS v3 base score is 8.1 out of 10.