VDB

CVE-2026-9753

CVE-2026-9753 PUBLISHED CVSS 7.2 HIGH

Reported by mongodb · Published June 9, 2026

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.

Risk Scores

CVSS 4.0
7.2
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

Affected Products

VendorProductVersions
MongoDBMongoDB Server8.3.0, 8.2.0, 8.0.0
MongoDBMongoDB Server8.3.0, 8.2.0, 8.0.0

Timeline

  • Jun 9, 2026 CVE Published
  • Jun 10, 2026 Coalition ESS Score
  • Jun 10, 2026 CVE Updated
  • Jun 12, 2026 Security Advisory

References

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