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CVE-2026-3473 Improper file ownership validation in the Boards API allows unauthorised file access

🗓️ 22 May 2026 10:27:02Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

CVE-2026-3473: Boards API flaw lets authenticated users access others' files.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3473
22 May 202610:27
attackerkb
Circl
CVE-2026-3473
22 May 202612:49
circl
CNNVD
Mattermost 安全漏洞
22 May 202600:00
cnnvd
CVE
CVE-2026-3473
22 May 202610:27
cve
EUVD
EUVD-2026-31429
22 May 202610:27
euvd
NVD
CVE-2026-3473
22 May 202611:16
nvd
Positive Technologies
PT-2026-42745
22 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-3473
5 Jun 202619:37
redhatcve
Snyk
Authorization Bypass Through User-Controlled Key
22 May 202613:44
snyk
Snyk
Authorization Bypass Through User-Controlled Key
22 May 202613:44
snyk
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.6.0",
        "status": "affected",
        "version": "11.6.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.5.3",
        "status": "affected",
        "version": "11.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.4.4",
        "status": "affected",
        "version": "11.4.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.14",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.7.0",
        "status": "unaffected"
      },
      {
        "version": "11.6.1",
        "status": "unaffected"
      },
      {
        "version": "11.5.4",
        "status": "unaffected"
      },
      {
        "version": "11.4.5",
        "status": "unaffected"
      },
      {
        "version": "10.11.15",
        "status": "unaffected"
      }
    ]
  }
]

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