High severity7.1NVD Advisory· Published Aug 11, 2026· Updated Sep 25, 2026
CVE-2026-18711
CVE-2026-18711
Description
An issue in MongoDB Server's query execution engine could allow an authenticated user with read and write privileges to cause an internal reference to be used after the underlying memory has been freed, when running certain queries against time-series collections. This could result in a server crash or disclosure of freed memory contents within query results.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
1- jira.mongodb.org/browse/SERVER-130247nvdVendor AdvisoryIssue TrackingPatch
News mentions
3- MongoDB: 25 Vulnerabilities Disclosed, Including Critical BI Connector FlawsVypr Intelligence · Aug 12, 2026
- MongoDB Server: Thirteen Vulnerabilities Disclosed in Single BatchVypr Intelligence · Aug 11, 2026
- MongoDB Server: High and Medium Severity Vulnerabilities Disclosed TogetherVypr Intelligence · Aug 11, 2026