CVE-2026-1849
EPSS 0.08%Mongod can run out of stack memory when expressions create deeply nested documents
Published: 2/26/2026Modified: 2/26/2026
Description
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.
Affected packages (1)
- Bitnami/mongodb>= 7.0.0, < 7.0.29, >= 8.0.0, < 8.0.18, >= 8.2.0, < 8.2.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |