CVE-2026-13061
Improper Access Control Allowing Cross-User Session Metadata Disclosure in $listSessions Aggregation Stage
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
An authenticated user may be able to view session metadata belonging to other users on the system through the $listSessions aggregation stage. This information is normally restricted to users with cluster-level administrative privileges, and includes active session identifiers, associated usernames, and activity timestamps.
| CWE | CWE-863 |
| Vendor | mongodb |
| Product | mongodb server |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
MongoDB / MongoDB Server
7.0 < 7.0.39 8.0 < 8.0.28 8.3.0 < 8.3.7