CVE-2026-13066CWE-843

CVE-2026-13066

Medium · published July 23, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
29.7
In the wild
Unconfirmed
What it is

Improper handling of DBPointer objects during BSON serialization in MongoDB's server-side JavaScript engine can result in internal process memory contents being included in data returned to the client. This constitutes an unintended information disclosure affecting deployments that use server-side JavaScript.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00369 · 29.7th percentile
Weakness
CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')
Published
2026-07-23T00:16Z
Affected products (4)
ProductVersionsFixed in
mongodb/mongodb≥ 7.0.0, < 7.0.397.0.39
mongodb/mongodb≥ 8.0.0, < 8.0.288.0.28
mongodb/mongodb≥ 8.2.0, < 8.2.128.2.12
mongodb/mongodb≥ 8.3.0, < 8.3.78.3.7
References (1)
EPSS history
Timeline
  • 22 JUL 19:17Z
    Server-Side JavaScript DBPointer BSON Serialization Memory Disclosure
    cvelistv5