CVE-2026-13061CWE-863broken-access-control

CVE-2026-13061

Medium · published July 23, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
19.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00277 · 19.1th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-07-23T00:16Z
Affected products (3)
ProductVersionsFixed in
mongodb/mongodb≥ 7.0.0, < 7.0.397.0.39
mongodb/mongodb≥ 8.0.0, < 8.0.288.0.28
mongodb/mongodb≥ 8.3.0, < 8.3.78.3.7
References (1)
https://jira.mongodb.org/browse/SERVER-127689 · [email protected]
EPSS history
Timeline
  • 22 JUL 19:19Z
    Improper Access Control Allowing Cross-User Session Metadata Disclosure in $listSessions Aggregation Stage
    cvelistv5