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CVE-2026-1146445.9MediumCWE-770

CVE-2026-114644: Memory-exhaustion denial of service via unbounded symbol interning during BSON/JSON deserialization

MongoDB · C# Driver

Vendor fix available · Affected: MongoDB C# Driver · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.5%probability of exploitation in the next 30 days
42nd percentile
050100

Higher than 42% of scored CVEs

5.9MediumCVSS 3.1
LowMedium

DescriptionCVE.org

The MongoDB C# Driver's BSON library contains an uncontrolled resource consumption weakness in its deserialization handling of one BSON value type. An application that deserializes untrusted content with the library retains data derived from that content for the lifetime of the process, with no limit on how much accumulates. An unauthenticated remote party who can cause such content to be deserialized can drive unbounded memory growth, exhausting the host application's available memory and denying service. There is no impact to confidentiality or integrity, and no MongoDB server component is affected.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • MongoDB · C# Driverfrom 2.0.0 before 3.13.0

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Vendor
MongoDB
Published
October 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-114644 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References