CVE-2025-12559

Source
https://nvd.nist.gov/vuln/detail/CVE-2025-12559
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12559.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-12559
Aliases
Published
2025-11-27T17:15:46.530Z
Modified
2025-12-15T21:11:17.085319Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to sanitize team email addresses to be visible only to Team Admins, which allows any authenticated user to view team email addresses via the GET /api/v4/channels/{channelid}/commonteams endpoint

References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events

Affected versions

@mattermost/client@10.*

@mattermost/client@10.11.0

@mattermost/types@10.*

@mattermost/types@10.11.0

mattermost-redux@10.*

mattermost-redux@10.11.0

v10.*

v10.11.0
v10.11.0-rc3
v10.11.1
v10.11.1-rc1
v10.11.2
v10.11.2-rc1
v10.11.2-rc2
v10.11.3
v10.11.4
v10.11.4-rc1
v10.11.4-rc2
v10.11.4-rc3

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12559.json"

Git / github.com/mattermost/mattermost-server

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost-server
Events

Affected versions

@mattermost/client@10.*

@mattermost/client@10.5.0

@mattermost/types@10.*

@mattermost/types@10.5.0

v10.*

v10.5.0
v10.5.0-rc6
v10.5.1
v10.5.1-rc1
v10.5.1-rc2
v10.5.10
v10.5.10-rc1
v10.5.10-rc2
v10.5.11
v10.5.11-rc1
v10.5.12
v10.5.12-rc1
v10.5.2
v10.5.3
v10.5.3-rc1
v10.5.4
v10.5.4-rc1
v10.5.4-rc2
v10.5.5
v10.5.5-rc1
v10.5.6
v10.5.6-rc1
v10.5.7
v10.5.8
v10.5.8-rc1
v10.5.9
v10.5.9-rc1
v10.5.9-rc2
v10.5.9-rc3
v10.5.9-rc4

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12559.json"