CVE-2026-6915: medium-severity vulnerability in MongoDB Server
Flaw in the updateUser Command May Allow Unauthorized Configuration Change
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.2%
An authorization flaw in the user management command could allow an authenticated user to make limited changes to authentication-related data associated with another user account. This could affect how authentication is performed for the impacted account.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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%