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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MongoDBCVE-2026-89099

MongoDB Server: race condition

MongoDB

CVE-2026-89099 · Published Sep 11, 2026 · updated Sep 29, 2026

High7.7
Fix: upgrade to 8.3.11 or later (3 fixed versions below)
MongoDB advisory

A race condition in the document value layer of MongoDB Server can allow concurrent server threads to operate on the same internal memory without synchronization, leading to memory corruption. An authenticated user holding ordinary read-write privileges on a database may be able to trigger this condition over the normal client protocol, resulting in server termination and potential corruption of process memory with user-influenced content. Successful use of this issue may impact the confidentiality, integrity, and availability of the affected server process.

Affected versions

PackageAffectedFixed in
MongoDB Server
Product
>= 8.3.0, < 8.3.118.3.11
>= 8.0, < 8.0.328.0.32
>= 7.0, < 7.0.437.0.43
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-362

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