CVE-2025-0503

Source
https://cve.org/CVERecord?id=CVE-2025-0503
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-0503.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-0503
Published
2025-02-14T18:15:23.870Z
Modified
2026-04-10T05:20:17.145505Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

Mattermost versions 9.11.x <= 9.11.6 fail to filter out DMs from the deleted channels endpoint which allows an attacker to infer user IDs and other metadata from deleted DMs if someone had manually marked DMs as deleted in the database.

References

Affected packages

Git / github.com/mattermost/mattermost-server

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost-server
Events
Database specific
{
    "versions": [
        {
            "introduced": "9.11.0"
        },
        {
            "fixed": "9.11.7"
        }
    ]
}

Affected versions

@mattermost/client@9.*
@mattermost/client@9.11.0
@mattermost/types@9.*
@mattermost/types@9.11.0
v9.*
v9.11.0
v9.11.0-rc3
v9.11.1
v9.11.1-rc1
v9.11.2
v9.11.2-rc1
v9.11.2-rc2
v9.11.3
v9.11.3-rc1
v9.11.3-rc2
v9.11.4
v9.11.4-rc1
v9.11.5
v9.11.5-rc1
v9.11.6
v9.11.6-rc1
v9.11.6-rc2
v9.11.7-rc1
v9.11.7-rc2

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-0503.json"