CVE-2026-18711 - Use-After-Free in MongoDB Query Execution Engine Leads to Denial of Service and Potential Memory Disclosure

CVE-2026-18711 - Use-After-Free in MongoDB Query Execution Engine Leads to Denial of Service and Potential Memory Disclosure

https://cvefeed.io/rssfeed/latest.atom / Tue, 08/11/2026 - 22:25
CVE ID :CVE-2026-18711
Published : Aug. 11, 2026, 6:48 p.m. | 39 minutes ago
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.
Severity: 7.1 | HIGH
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.