HIGHCVE-2026-1849Published Modified CNA mongodb
CVE-2026-1849: Mongod can run out of stack memory when expressions create deeply nested documents
MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents. The issue arises in recursive functions because the server does not periodically check the depth of the expression.
Metrics
- CVSS v4.0
- 7.1
- Severity
- HIGH
- Fixed in
- 7.0.29
- Affected Products
- 1
Fix available
7.0.298.0.188.2.2
Affected packages
- MongoDB Inc / MongoDB Server< 8.0.18 (from 8.0) · < 7.0.29 (from 7.0) · < 8.2.2 (from 8.2)
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NReferences