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CVE-2026-91181 Data Retention Teams Endpoint Leaks Private Team Invite ID

🗓️ 14 Sep 2026 21:21:47Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Mattermost data retention endpoint leaks private team invite ID enabling unauthorized join.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-91181
14 Sep 202622:22
circl
cve
CVE
CVE-2026-91181
14 Sep 202621:21
cve
euvd
EUVD
EUVD-2026-78160
15 Sep 202600:31
euvd
nvd
NVD
CVE-2026-91181
14 Sep 202622:16
nvd
ptsecurity
Positive Technologies
PT-2026-91745
14 Sep 202600:00
ptsecurity
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.9.0",
        "status": "affected",
        "version": "11.9.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.8.4",
        "status": "affected",
        "version": "11.8.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.7.7",
        "status": "affected",
        "version": "11.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.22",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.10.0",
        "status": "unaffected"
      },
      {
        "version": "11.9.1",
        "status": "unaffected"
      },
      {
        "version": "11.8.5",
        "status": "unaffected"
      },
      {
        "version": "11.7.8",
        "status": "unaffected"
      },
      {
        "version": "10.11.23",
        "status": "unaffected"
      }
    ]
  }
]

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