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CVE-2026-9597

🗓️ 13 Jul 2026 08:17:36Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 11 Views

Deactivated guest accounts can authenticate via magic-link tokens in Mattermost REST API login on affected versions 11.7.x and 11.6.x.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-9597 Deactivated guest accounts can authenticate via magic-link token in Mattermost REST API login endpoint
13 Jul 202608:17
cvelist
EUVD
EUVD-2026-43315
13 Jul 202609:31
euvd
NVD
CVE-2026-9597
13 Jul 202609:16
nvd
Positive Technologies
PT-2026-57663
13 Jul 202600:00
ptsecurity
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.7.2",
        "status": "affected",
        "version": "11.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.6.4",
        "status": "affected",
        "version": "11.6.0",
        "versionType": "semver"
      },
      {
        "version": "11.8.0",
        "status": "unaffected"
      },
      {
        "version": "11.7.3",
        "status": "unaffected"
      },
      {
        "version": "11.6.5",
        "status": "unaffected"
      }
    ]
  }
]

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