UpHeron
All vulnerabilities

Servers and applications

CVE-2026-13077

A missing bounds check in the BSON CodeWScope element accessors allows an attacker to trigger an out-of-bounds heap read via a crafted aggregation pipeline. The vulnerability can be exploited by an authenticated user by generating a malformed BSONColumn data containing a CodeWScope element, bypassing wire-level BSON validation. When the forged element is decompressed, the unchecked size value is…

Severity
High 7.1
Published
22 Jul 2026
Last changed
18 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.0.39, 8.0.28, 8.2.12, 8.3.7
Sources
NVD

Affected software

SoftwareAffected versions
MongoDBServers and applications · cpe:a:mongodb:mongodb
  • From 7.0.0 before 7.0.39
  • From 8.0.0 before 8.0.28
  • From 8.2.0 before 8.2.12
  • From 8.3.0 before 8.3.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-13077
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-13077