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EUVD-2026-31425

🗓️ 22 May 2026 10:20:43Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 11 Views

Mattermost versions fail to enforce plugin endpoint body size limits, enabling denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-5308
22 May 202610:20
attackerkb
Circl
CVE-2026-5308
22 May 202612:43
circl
CNNVD
Mattermost 安全漏洞
22 May 202600:00
cnnvd
CVE
CVE-2026-5308
22 May 202610:20
cve
Cvelist
CVE-2026-5308 Missing request body size limits on Zoom plugin HTTP endpoints
22 May 202610:20
cvelist
Github Security Blog
Mattermost doesn't enforce request body size limits on plugin HTTP endpoints
26 May 202613:30
github
NVD
CVE-2026-5308
22 May 202611:16
nvd
OSV
GHSA-JMVR-R5HM-FXFR Mattermost doesn't enforce request body size limits on plugin HTTP endpoints
26 May 202613:30
osv
Positive Technologies
PT-2026-42749
22 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-5308
5 Jun 202619:35
redhatcve
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "4ff09fd7-b5c0-312f-80c8-c0f596c76a28",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "024265fe-d823-3429-8dcf-c60d118d0e5f",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "11.4.0 ≤11.4.4"
      },
      {
        "id": "1cdb00df-2233-371a-9ec1-2b200e13f4b0",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "10.11.0 ≤10.11.14"
      },
      {
        "id": "c1b93f96-90e5-3714-9902-68bce610967d",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "11.5.0 ≤11.5.3"
      },
      {
        "id": "eddbfcd9-d2b6-3961-a10b-12900ce9b26e",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "11.6.0 ≤11.6.0"
      }
    ]
  }
]

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22 May 2026 12:14Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.9 - 7.5
EPSS0.00254
SSVC
11