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CVE-2026-6541

🗓️ 13 Jul 2026 10:53:15Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 41 Views

Authenticated team members can modify other users' playbook metrics due to unscoped updates in Mattermost.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-6541
13 Jul 202610:53
–attackerkb
circl
Circl
CVE-2026-6541
13 Jul 202613:19
–circl
cvelist
Cvelist
CVE-2026-6541 Unscoped updates to other playbooks' metric configuration
13 Jul 202610:53
–cvelist
euvd
EUVD
EUVD-2026-43341
13 Jul 202610:53
–euvd
nessus
Tenable Nessus
Mattermost Server 10.11.x < 10.11.20 / 11.6.x < 11.6.5 / 11.7.x < 11.7.2 Incorrect Authorization (MMSA-2026-00653)
16 Jul 202600:00
–nessus
nvd
NVD
CVE-2026-6541
13 Jul 202611:16
–nvd
osv
OSV
MINI-3368-72CR-GF3W
14 Jul 202613:31
–osv
osv
OSV
MINI-57PG-H8R8-26GQ
14 Jul 202613:31
–osv
ptsecurity
Positive Technologies
PT-2026-57804
13 Jul 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-6541: Authorization Bypass Through User-Controlled Key
13 Jul 202600:00
–rapid7
Rows per page
NVD
Vulners
Node
OR
mattermostmattermost_serverRange10.11.0–10.11.20
mattermostmattermost_serverRange11.6.0–11.6.5
mattermostmattermost_serverRange11.7.0–11.7.2
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.7.1",
        "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": "11.7.2",
        "status": "unaffected"
      },
      {
        "version": "11.6.5",
        "status": "unaffected"
      },
      {
        "version": "10.11.20",
        "status": "unaffected"
      }
    ]
  }
]

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13 Jul 2026 20:39Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00254
SSVC
41