UpHeron
All vulnerabilities

Servers and applications

CVE-2026-82052

The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a MongoDB server (mongod). Under certain specific conditions the  regex match can start in the middle of a multi-code-unit character, triggering an assertion during query execution.

Severity
High 7.1
Published
8 Sept 2026
Last changed
16 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.0.41, 8.0.30, 8.3.9
Sources
NVD

Affected software

SoftwareAffected versions
MongoDBServers and applications · cpe:a:mongodb:mongodb
  • From 7.0.0 before 7.0.41
  • From 8.0.0 before 8.0.30
  • From 8.3.0 before 8.3.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-82052
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-82052