CVE-2025-13821

Source
https://cve.org/CVERecord?id=CVE-2025-13821
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-13821.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-13821
Aliases
Downstream
Related
Published
2026-02-16T11:57:25.588Z
Modified
2026-05-18T05:56:13.763415785Z
Severity
  • 5.7 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
Summary
User profile update exposes password hash and MFA secrets
Details

Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID: MMSA-2025-00560

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/2025/13xxx/CVE-2025-13821.json",
    "cna_assigner": "Mattermost",
    "cwe_ids": [
        "CWE-200"
    ]
}
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-2025-13821.json"