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CVE-2026-9824 Remote cluster metadata enumeration via /share-channel autocomplete

🗓️ 13 Jul 2026 10:47:33Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Authenticated users without permission can enumerate cluster metadata via share-channel autocomplete.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-9824
13 Jul 202610:47
attackerkb
circl
Circl
CVE-2026-9824
13 Jul 202613:19
circl
cve
CVE
CVE-2026-9824
13 Jul 202610:47
cve
euvd
EUVD
EUVD-2026-43339
13 Jul 202610:47
euvd
nessus
Tenable Nessus
Mattermost Server 10.11.x < 10.11.20 / 11.6.x < 11.6.5 / 11.7.x < 11.7.3 Multiple Vulnerabilities (MMSA-2026-00658, MMSA-2026-00676, MMSA-2026-00680, MMSA-2026-00683, MMSA-2026-00688, MMSA-2026-00689, MMSA-2026-00690)
16 Jul 202600:00
nessus
nvd
NVD
CVE-2026-9824
13 Jul 202611:16
nvd
osv
OSV
MINI-9JPJ-8JXR-54FP
14 Jul 202613:31
osv
osv
OSV
MINI-JX6Q-MQCV-HQ27
14 Jul 202613:31
osv
ptsecurity
Positive Technologies
PT-2026-57806
13 Jul 202600:00
ptsecurity
snyk
Snyk
Missing Authorization
13 Jul 202611:55
snyk
Rows per page
[
  {
    "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"
      },
      {
        "lessThanOrEqual": "10.11.19",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.8.0",
        "status": "unaffected"
      },
      {
        "version": "11.7.3",
        "status": "unaffected"
      },
      {
        "version": "11.6.5",
        "status": "unaffected"
      },
      {
        "version": "10.11.20",
        "status": "unaffected"
      }
    ]
  }
]

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