CVE-2026-13061

MEDIUM

Improper Access Control Allowing Cross-User Session Metadata Disclosure in $listSessions Aggregation Stage

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://jira.mongodb.org/browse/SERVER-127689

Scores

CVSS v3 4.3

EPSS 0.0016

EPSS Percentile 5.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-863

Status published

Products (3)

MongoDB/MongoDB Server 7.0 - 7.0.39

MongoDB/MongoDB Server 8.0 - 8.0.28

MongoDB/MongoDB Server 8.3.0 - 8.3.7

Published Jul 22, 2026

Tracked Since Jul 23, 2026