All vulnerabilities

Servers and applications

CVE-2026-8202

Using a densely populated chars mask and a large input string in the MongoDB aggregation operators $trim, $ltrim, and $rtrim, an authenticated user with aggregation permissions can pin CPU utilization at 100% for an extended period of time. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

Severity
Medium 5.3
Published
13 May 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.0.34, 8.0.23, 8.2.9, 8.3.2
Sources
NVD

Affected software

SoftwareAffected versions
MongoDBServers and applications · cpe:a:mongodb:mongodb
  • From 7.0.0 before 7.0.34
  • From 8.0.0 before 8.0.23
  • From 8.2.0 before 8.2.9
  • From 8.3.0 before 8.3.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-8202
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8202