CVE-2024-39807CWE-200

Channel IDs of archived/restored channels leaked via webhook events

Low · published July 3, 2024

CVSS v3.1
3.1
EPSS
0%
Percentile
26.8
In the wild
Unconfirmed
What it is

Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.

The record
Technical detail
CVSS v3.1
3.1 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00345 · 26.8th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2024-07-03T08:31Z
EPSS history
Timeline
  • 03 JUL 08:31Z
    Channel IDs of archived/restored channels leaked via webhook events
    cvelistv5