CVE-2026-13066: high-severity vulnerability in MongoDB Server
Server-Side JavaScript DBPointer BSON Serialization Memory Disclosure
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.4%
Improper handling of DBPointer objects during BSON serialization in MongoDB's server-side JavaScript engine can result in internal process memory contents being included in data returned to the client. This constitutes an unintended information disclosure affecting deployments that use server-side JavaScript.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
MongoDB · MongoDB ServerRelated CVEs — MongoDB Server
In the same product, most dangerous first.
CVE-2026-18692HIGHUse-After-Free in MongoDB Timeseries Bucket Handling Leads to Denial of Service and Potential Remote Code ExecutionEPSS 0.6%CVE-2026-82071HIGHInsufficient Validation of Storage Engine Configuration Options in MongoDB Server Leads to Out-of-Bounds WriteEPSS 0.5%CVE-2026-82061HIGHUse-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of ServiceEPSS 0.5%CVE-2026-82075HIGHUncontrolled Resource Consumption in MongoDB Sharded Cluster Router Allows Unauthenticated Denial of ServiceEPSS 0.5%CVE-2026-82064HIGHUnauthenticated Denial of Service in MongoDB Server via Assertion Failure in Read Concern Processing on Replica Set MembersEPSS 0.5%CVE-2026-82067CRITICALImproper Case Sensitivity Handling in MongoDB Server Configuration Validation May Cause Authorization to Remain Disabled at StartupEPSS 0.5%