CVE-2025-8402

Source
https://cve.org/CVERecord?id=CVE-2025-8402
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8402.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-8402
Aliases
Published
2025-08-21T17:01:43.420Z
Modified
2026-07-08T08:12:39.801892339Z
Severity
  • 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Nil pointer dereference in bulk import crashes server
Details

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.

Database specific
{
    "cna_assigner": "Mattermost",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "10.8.0"
                },
                {
                    "last_affected": "10.8.3"
                },
                {
                    "introduced": "10.5.0"
                },
                {
                    "last_affected": "10.5.8"
                },
                {
                    "introduced": "9.11.0"
                },
                {
                    "last_affected": "9.11.17"
                },
                {
                    "introduced": "10.10.0"
                },
                {
                    "last_affected": "10.10.0"
                },
                {
                    "introduced": "10.9.0"
                },
                {
                    "last_affected": "10.9.3"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/8xxx/CVE-2025-8402.json",
    "cwe_ids": [
        "CWE-1287",
        "CWE-476"
    ]
}
References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Database specific
{
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ],
    "cpe": [
        "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:10.10.0:-:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "9.11.0"
        },
        {
            "fixed": "9.11.18"
        },
        {
            "introduced": "10.5.0"
        },
        {
            "fixed": "10.5.9"
        },
        {
            "introduced": "10.8.0"
        },
        {
            "fixed": "10.8.4"
        },
        {
            "introduced": "10.9.0"
        },
        {
            "fixed": "10.9.4"
        },
        {
            "introduced": "10.10.0-NA"
        },
        {
            "last_affected": "10.10.0-NA"
        }
    ]
}

Affected versions

10.*
10.10.0-NA
@mattermost/client@10.*
@mattermost/client@10.5.0
@mattermost/client@10.8.0
@mattermost/client@9.*
@mattermost/client@9.11.0
@mattermost/types@10.*
@mattermost/types@10.5.0
@mattermost/types@10.8.0
@mattermost/types@9.*
@mattermost/types@9.11.0
mattermost-redux@10.*
mattermost-redux@10.8.0
v10.*
v10.5.0
v10.5.0-rc6
v10.5.1
v10.5.1-rc1
v10.5.1-rc2
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-rc1
v10.5.9-rc2
v10.5.9-rc3
v10.5.9-rc4
v10.8.0
v10.8.0-rc3
v10.8.1
v10.8.2
v10.8.3
v10.8.4-rc1
v10.8.4-rc2
v10.8.4-rc3
v10.8.4-rc4
v10.9.0
v10.9.0-rc4
v10.9.1
v10.9.2
v10.9.2-rc1
v10.9.3
v10.9.3-rc1
v10.9.3-rc2
v10.9.3-rc3
v10.9.3-rc4
v10.9.4-rc1
v9.*
v9.11.0
v9.11.0-rc3
v9.11.1
v9.11.1-rc1
v9.11.10
v9.11.10-rc1
v9.11.11
v9.11.11-rc1
v9.11.12
v9.11.12-rc1
v9.11.13
v9.11.13-rc1
v9.11.14
v9.11.15
v9.11.16
v9.11.16-rc1
v9.11.17
v9.11.17-rc1
v9.11.18-rc1
v9.11.18-rc2
v9.11.18-rc3
v9.11.18-rc4
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
v9.11.7-rc1
v9.11.7-rc2
v9.11.7-rc3
v9.11.8
v9.11.9
v9.11.9-rc1
v9.11.9-rc2

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8402.json"