UpHeron
All vulnerabilities

Servers and applications

CVE-2026-1849

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.

Severity
High 7.1
Published
10 Feb 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.0.29, 8.0.18, 8.2.2
Sources
NVD

Affected software

SoftwareAffected versions
MongoDBServers and applications · cpe:a:mongodb:mongodb
  • From 7.0.0 before 7.0.29
  • From 8.0.0 before 8.0.18
  • From 8.2.0 before 8.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-1849
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-1849