EUVD-2026-72915
GHSA-3566-g77x-4r27
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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
Write-privileged network authentication required for collection creation; OOB write causes availability loss and potential integrity impact; no confidentiality or scope-change impact.
Primary rating from Vendor (mongodb).
CVSS VectorVendor: mongodb
Lifecycle Timeline
3DescriptionCVE.org
Insufficient validation of storage engine configuration options in MongoDB Server allows an authenticated user with write privileges to supply crafted parameters during collection creation that override internal storage metadata. This results in an out-of-bounds memory write in the server process, causing a denial of service via server crash, with potential for further impact including arbitrary code execution.
Articles & Coverage 1
AnalysisAI
Out-of-bounds memory write in MongoDB Server 8.3.x allows authenticated users with write privileges to crash the mongod server process or potentially achieve arbitrary code execution by supplying crafted storage engine configuration parameters at collection creation time. Versions 8.3.0 through 8.3.8 are affected; a vendor-released fix is available in 8.3.9. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated MongoDB connection with write privileges sufficient to issue collection creation commands (PR:L per the CVSS 4.0 vector). … 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:N/VI:H/VA:H) scores 7.2, reflecting low-complexity network exploitation constrained by an authentication barrier - write privileges are required. … 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-2026-72915. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, scan infrastructure to identify all MongoDB Server instances and confirm which are running versions 8.3.0 through 8.3.8. …
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External POC / Exploit Code
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