Lucene search
+L

Mongod can run out of stack memory when expressions create deeply nested documents

🗓️ 10 Feb 2026 18:52:52Reported by MongoDBType 
mongodb
 mongodb
🔗 www.mongodb.com👁 32 Views

MongoDB server may run out of memory evaluating expressions that create deeply nested documents due to unchecked expression depth in recursion.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
MongoDB Server -- Multiple vulnerabilities
10 Feb 202600:00
–freebsd
attackerkb
attackerkb
CVE-2026-1849
10 Feb 202618:52
–attackerkb
bdu_fstec
BDU FSTEC
MongoDB DoS
18 Feb 202600:00
–bdu_fstec
cnnvd
CNNVD
MongoDB Server security vulnerabilities
10 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-1849
10 Feb 202618:52
–cve
cvelist
Cvelist
CVE-2026-1849 Mongod can run out of stack memory when expressions create deeply nested documents
10 Feb 202618:52
–cvelist
debiancve
Debian CVE
CVE-2026-1849
29 Oct 202617:05
–debiancve
nessus
Tenable Nessus
FreeBSD : MongoDB Server -- Multiple vulnerabilities (77e32b14-0800-11f1-8a6f-b42e991fc52e)
13 Feb 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-1849
12 Feb 202600:00
–nessus
mend
Mend
CVE-2026-1849
10 Feb 202618:52
–mend
Rows per page
Vulners
Node
OR
mongodbmongodbRange8.0–8.0.18
mongodbmongodbRange7.0–7.0.29
mongodbmongodbRange8.2–8.2.2

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

10 Feb 2026 19:17Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5 - 7.5
CVSS 47.1
EPSS0.00319
SSVC
32