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.
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Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-02-10. NVD baseline CVSS 6.5; sources differ by 0.0.
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.
February 10, 2026
February 25, 2026
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