CVE-2024-1942
MEDIUM4.3EPSS 0.23%Mattermost allows attackers access to posts in channels they are not a member of in github.com/mattermost/mattermost-server
Published: 2/29/2024Modified: 2/4/2026
Description
Mattermost allows attackers access to posts in channels they are not a member of in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost/server/v8 before v8.1.9.
Affected packages (6)
- Bitnami/mattermost>= 8.1.0, < 8.1.9, >= 9.2.0, < 9.2.5 | >= 9.3.0, <= 9.3.0
- Go/github.com/mattermost/mattermost-server>= 9.2.0+incompatible, < 9.2.5+incompatible, >= 9.3.0+incompatible, < 9.3.1+incompatible
- Go/github.com/mattermost/mattermost-server/v5from 0
- Go/github.com/mattermost/mattermost-server/v6from 0
- Go/github.com/mattermost/mattermost/server/v8>= 9.3.0, < 9.3.1
- Go/github.com/mattermost/mattermost/server/v8from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |