EUVD-2026-72942
GHSA-qqwq-hqp9-87gv
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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
Network-reachable via standard MongoDB port; requires low-privilege write credential; availability-only impact (server crash); no confidentiality or integrity effect.
Primary rating from Vendor (mongodb).
CVSS VectorVendor: mongodb
Lifecycle Timeline
3DescriptionCVE.org
A security issue exists in MongoDB's 2dsphere index key generation that can cause a server crash due to a null pointer dereference. When a specially crafted GeoJSON document is inserted into a collection with a 2dsphere index, an inconsistency in geometry parsing can leave an internal object in an invalid, partially initialized state. During subsequent index key generation, access to this improperly initialized object results in a null pointer dereference that terminates the mongod process. An authenticated user with write access can use this to cause a denial of service.
Articles & Coverage 1
AnalysisAI
Null pointer dereference in MongoDB Server 8.3.x crashes the mongod process when a specially crafted GeoJSON document is inserted into a collection with a 2dsphere index. An authenticated user with write access can trigger an inconsistency in geometry parsing that leaves an internal object in a partially initialized state; subsequent index key generation then dereferences a null pointer and terminates the server. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires: (1) network access to the MongoDB server (default port 27017/TCP); (2) a valid MongoDB account with at least write (insert) permission on a collection that has a 2dsphere index configured; (3) the target running MongoDB Server 8.3.0-8.3.8 - the vulnerability is specific to this release line. … 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:N/VA:H/SC:N/SI:N/SA:N, score 7.1) accurately captures the attack profile: network-reachable, low complexity, but requiring at minimum a low-privileged authenticated account with collection-write rights. … 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-supplied fix for the null pointer dereference in 2dsphere index key generation (per EUVD-2026-72942 and SERVER-130202 at https://jira.mongodb.org/browse/SERVER-130202). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all MongoDB 8.3.x deployments and identify which collections use 2dsphere indexes and which accounts hold write privileges. …
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Same weakness CWE-476 – NULL Pointer Dereference
View allSame technique Denial Of Service
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External POC / Exploit Code
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