CVE-2025-3228CWE-863

Unauthorized Guest user access to Playbook

Medium · published June 20, 2025

CVSS v3.1
4.3
EPSS
0%
Percentile
20.9
In the wild
Unconfirmed
What it is

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.

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
0.00294 · 20.9th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2025-06-20T14:31Z
EPSS history
Timeline
  • 20 JUN 14:31Z
    Unauthorized Guest user access to Playbook
    cvelistv5