MongoDBCVE-2026-81517
An unauthenticated party able to reach the port of a MongoDB Connector for BI
High8.7CVE-2026-81517 · Published Aug 28, 2026 · updated Sep 1, 2026
An unauthenticated party able to reach the port of a MongoDB Connector for BI (mongosqld) instance may generate enough routine connection log activity to exhaust the storage backing the configured log path. When a log write or log rotation operation subsequently fails, the resulting error is not handled and the shared mongosqld process ends, ending service for all connected SQL clients. The process continues to end on startup until an operator restores available storage, and the diagnostic message explaining the condition is not recorded.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| BI Connector Product | < 2.14.31 | 2.14.31 |
Details and references
- CVSS 4.0
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-248
More MongoDB advisories
All MongoDB| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 28 | MongoDB BI Connector: null pointer dereference | High8.3 | 2.14.31 |
| Aug 28 | MongoDB BI Connector: improper certificate validation | High8.7 | 2.14.31 |
| Aug 28 | A network-reachable client | High8.7 | 2.14.31 |
| Aug 28 | MongoDB BI Connector ODBC Driver: stack buffer overflow | High8.7 | 1.4.10 |
| Aug 28 | MongoDB BI Connector ODBC Driver: stack buffer overflow | Medium6.0 | 1.4.10 |
| Aug 28 | MongoDB BI Connector: SQL injection | High8.5 | 2.14.31 |