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Medium

Mattermost Desktop logs all keystrokes during initial run after fresh installation

Type: advisorySources: OSV

Mattermost Desktop fails to set an appropriate log level during initial run after fresh installation resulting in logging all keystrokes including password entry being logged.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-5339
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 13:23 UTC · Revision 1

Source evidence

Mattermost Desktop logs all keystrokes during initial run after fresh installation

core-osv · Original source

Published 17 Oct 2023, 09:30 UTC

Mattermost Desktop fails to set an appropriate log level during initial run after fresh installation resulting in logging all keystrokes including password entry being logged.

osv:CVE-2023-5339
Complete source record
{
  "id": "50154da0ae4521752b8cbd3dfaa923b5c895d88641c5f5c82a3d46ee68476e56",
  "url": "https://osv.dev/vulnerability/CVE-2023-5339",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Mattermost Desktop logs all keystrokes during initial run after fresh installation",
    "summary": "Mattermost Desktop fails to set an appropriate log level during initial run after fresh installation resulting in logging all keystrokes including password entry being logged.",
    "evidence": "osv:CVE-2023-5339",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-5339",
      "aliases": [
        "CVE-2023-5339"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mattermost/desktop",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "420c63dfd749be25fad0792ed1dea1596e890bdd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "5.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v5.4.0",
            "v5.4.0-mas.1",
            "v5.4.0-rc.2",
            "v5.4.0-rc.1",
            "v4.7.0-beta2",
            "beta2",
            "4.7.0-beta",
            "v1.3.0-rc2",
            "v1.3.0",
            "v1.3.0-rc1",
            "v1.2.0",
            "v1.1.1",
            "v1.1.0",
            "v1.0.7",
            "v1.0.6",
            "v1.0.5",
            "v1.0.4",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v0.5.1",
            "v0.5.0",
            "v0.4.0",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-5339.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:35.668708765Z",
      "provider": "osv",
      "references": [
        "https://mattermost.com/security-updates",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5339.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-5339"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200"
        ],
        "cna_assigner": "Mattermost",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "5.4.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5339.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-5339",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503038,
  "published_at": "2023-10-17T09:30:41.612+00:00"
}