CVE-2026-81517

CVE

Threat entity extracted from intelligence sources

Frequency

4

occurrences

First Seen

August 29, 2026

Last Seen

August 29, 2026

Exploited in Wild

—

Ransomware Use

—

Public Exploits

—

Attack Vector

—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

High-Severity Vulnerabilities in MongoDB BI Connector Require Immediate Attention65.3

MongoDB disclosed multiple vulnerabilities affecting its BI Connector and database drivers, including six rated as high severity. Key issues include CVE-2026-81532, an improper-bounds-checking flaw in the ODBC driver, and CVE-2026-77586, which allows SQL injection via unescaped identifiers in SHOW C...

High-Severity MongoDB Connector Vulnerability CVE-2026-81517 Disclosed64.5

CVE-2026-81517 details a vulnerability in the MongoDB Connector for BI that allows unauthenticated attackers to exhaust storage on the log path by generating excessive connection log activity. This can lead to the mongosqld process crashing, terminating service for all connected SQL clients, and pre...

Public Exploits

Checking GitHub for proof-of-concept code…

Related Clusters (2)

High-Severity Vulnerabilities in MongoDB BI Connector Require Immediate Attention

Aug 29·0 sources

High-Severity MongoDB Connector Vulnerability CVE-2026-81517 Disclosed

Aug 29·1 sources

Related Articles (4)

CVE-2026-81517 INCIBE-CERT - Vulnerabilities RSS / 20h 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. Gravedad 3.1 (CVSS 3.1 Base Score)

www.incibe.es·Aug 29

MongoDB Connector for BI Improper Error Handling of Log Write Failures May Cause Loss of SQL Service (CVE-2026-81517) MongoDB | Product Alerts / 9h If a particular MongoDB Connector for BI release contains only performance and stability improvements, it may not be included in these release notes. The SQL Interface offers improved performance, a simplified setup, and enhanced features.

www.mongodb.com·Aug 29

High-Severity MongoDB Driver and BI Connector Flaws Require Immediate Patching Mallory Threat Intelligence Stories / 7h CVE-2026-81532 was published as a high-severity improper-bounds-checking vulnerability in the BI Connector ODBC driver. MongoDB Connector for BI's CVE-2026-77586 was published as a high-severity flaw in which unescaped collection, field, or index names can inject SQL into generated SHOW CREATE output that is later replayed.

mallory.ai·Aug 29

CVE-2026-81517 - Exploits & Severity

Related Entities

DDoS Denial of Service Sql Injection Debian CVE-2026-81490 CVE-2026-81518 CVE-2026-81520 CVE-2026-75159 CVE-2026-75573 CVE-2026-77184 CVE-2026-77586 CVE-2026-81523