EUVD-2026-72916
GHSA-r24j-5hx2-2mx8
Severity by source
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/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
Network-accessible with required low-privilege authentication; confidentiality-only impact as the bypass enables unauthorized collection reads with no write or availability effect.
Primary rating from Vendor (mongodb).
CVSS VectorVendor: mongodb
Lifecycle Timeline
4DescriptionCVE.org
A security issue in the MongoDB Server aggregation framework allows an authenticated user with limited read privileges to bypass view-level authorization checks and access data from unauthorized collections when Atlas Search features are in use. The issue stems from insufficient validation of an internal command parameter that can be set by external clients, causing a security check to be improperly skipped.
Articles & Coverage 1
AnalysisAI
MongoDB Server 8.3.0-8.3.8 exposes an authorization bypass in the aggregation framework that allows a low-privilege authenticated user to read data from collections they are not authorized to access. The bypass is reachable only when Atlas Search features are active and works by manipulating an internal command parameter that the server failed to guard from external client input, causing a view-level security check to be skipped. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Atlas Search features must be enabled and in use on the MongoDB Server deployment-default MongoDB installations without Atlas Search are not affected. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N) yields a score of 7.1, reflecting a network-accessible confidentiality breach requiring only authenticated access and no user interaction. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade MongoDB Server to version 8.3.9 or later, which contains the vendor-released patch per EUVD-2026-72916 and SERVER-132125. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory all MongoDB Server instances running versions 8.3.0-8.3.8 with Atlas Search enabled and confirm patch availability from MongoDB. …
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External POC / Exploit Code
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