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 ser…
Published: 2026-02-10 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7