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EUVD-2026-77366

🗓️ 14 Sep 2026 10:37:32Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Mattermost up to 11.9.0 fails to validate channel action ownership for cross-channel updates.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-10542
14 Sep 202610:37
cve
cvelist
Cvelist
CVE-2026-10542 Playbooks channel action update validation issue
14 Sep 202610:37
cvelist
nvd
NVD
CVE-2026-10542
14 Sep 202611:17
nvd
ptsecurity
Positive Technologies
PT-2026-91139
14 Sep 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-10542 Playbooks channel action update validation issue
14 Sep 202610:37
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "fbbfdb61-a917-38fe-b72d-62cab2feb355",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "32629480-b5a4-37e4-b670-5d941b438274",
        "product": {
          "name": "Mattermost",
          "vendor": {
            "name": "Mattermost"
          }
        },
        "product_version": "10.11.0 ≤10.11.22"
      },
      {
        "id": "65760af6-6107-3cf7-9e8f-59706abcb941",
        "product": {
          "name": "Mattermost",
          "vendor": {
            "name": "Mattermost"
          }
        },
        "product_version": "11.8.0 ≤11.8.4"
      },
      {
        "id": "66a11186-c820-32fc-bed7-236c2f0e3d23",
        "product": {
          "name": "Mattermost",
          "vendor": {
            "name": "Mattermost"
          }
        },
        "product_version": "11.9.0 ≤11.9.0"
      },
      {
        "id": "9686ad60-442d-362b-bf2c-7e63f10ec26a",
        "product": {
          "name": "Mattermost",
          "vendor": {
            "name": "Mattermost"
          }
        },
        "product_version": "11.7.0 ≤11.7.7"
      }
    ]
  }
]

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