CVE-2025-49810CWE-863

Thread summarization allows persistent access to channel

Low · published August 21, 2025

CVSS v3.1
3.5
EPSS
0%
Percentile
9.8
In the wild
Unconfirmed
What it is

Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts

The record
Technical detail
CVSS v3.1
3.5 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00203 · 9.8th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2025-08-21T07:15Z
EPSS history
Timeline
  • 21 AUG 07:15Z
    Thread summarization allows persistent access to channel
    cvelistv5