CVE-2025-14350

Source
https://cve.org/CVERecord?id=CVE-2025-14350
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-14350.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-14350
Aliases
Downstream
Related
Published
2026-02-16T12:05:33.312Z
Modified
2026-05-18T05:59:11.431053161Z
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
Information disclosure via channel mentions in posts
Details

Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to properly validate team membership when processing channel mentions which allows authenticated users to determine the existence of teams and their URL names via posting channel shortlinks and observing the channel_mentions property in the API response. Mattermost Advisory ID: MMSA-2025-00563

Database specific
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "11.1.0"
                },
                {
                    "last_affected": "11.1.2"
                },
                {
                    "introduced": "10.11.0"
                },
                {
                    "last_affected": "10.11.9"
                },
                {
                    "introduced": "11.2.0"
                },
                {
                    "last_affected": "11.2.1"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/14xxx/CVE-2025-14350.json",
    "cna_assigner": "Mattermost",
    "cwe_ids": [
        "CWE-862"
    ]
}
References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Database specific
{
    "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "10.11.0"
        },
        {
            "fixed": "10.11.10"
        },
        {
            "introduced": "11.1.0"
        },
        {
            "fixed": "11.1.3"
        },
        {
            "introduced": "11.2.0"
        },
        {
            "fixed": "11.2.2"
        }
    ]
}

Affected versions

@mattermost/client@10.*
@mattermost/client@10.11.0
@mattermost/client@11.*
@mattermost/client@11.1.0
@mattermost/types@10.*
@mattermost/types@10.11.0
@mattermost/types@11.*
@mattermost/types@11.1.0
mattermost-redux@10.*
mattermost-redux@10.11.0
mattermost-redux@11.*
mattermost-redux@11.1.0
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
v10.11.5
v10.11.6
v10.11.7
v10.11.8
v10.11.9
v10.11.9-rc1
v11.*
v11.1.0
v11.1.0-rc4
v11.1.1
v11.1.1-rc1
v11.1.1-rc2
v11.1.2
v11.1.2-rc1
v11.2.0
v11.2.1
v11.2.1-rc1

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-14350.json"