GitHub Advisoryadvisory · Go

GHSA-pwvr-grqg-7vp2 Mattermost Lack of Access Control Validation

LOW Published 2025-08-21 Modified 2025-08-29 Official page ↗
Aliases
CVE-2025-49810
Ecosystem
Go
Packages
github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Weaknesses
CWE-863
Reviewed
2025-08-21

Affected packages

• Go github.com/mattermost/mattermost-server: >= 10.5.0, < 10.5.9 → fixed in 10.5.9 • Go github.com/mattermost/mattermost/server/v8: < 8.0.0-20250721095846-c602a4a78e1f → fixed in 8.0.0-20250721095846-c602a4a78e1f

Description

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

Related

Alias · CVE (1)

  • CVE-2025-49810 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 vulnerability

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References