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EUVD-2026-32523

🗓️ 27 May 2026 14:23:50Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 16 Views

Mattermost plugins up to version 1.1.5 fail to sanitize federated filenames, enabling remote writers to place arbitrary files via attachment sync.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-6957
27 May 202614:23
attackerkb
circl
Circl
CVE-2026-6957
27 May 202617:00
circl
cnnvd
CNNVD
Mattermost Plugins 安全漏洞
27 May 202600:00
cnnvd
cve
CVE
CVE-2026-6957
27 May 202614:23
cve
cvelist
Cvelist
CVE-2026-6957 Path traversal in Mattermost Legal Hold plugin via unsanitized file name from federated peer allows arbitrary file write.
27 May 202614:23
cvelist
nvd
NVD
CVE-2026-6957
27 May 202615:16
nvd
ptsecurity
Positive Technologies
PT-2026-44032
27 May 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-6957
5 Jun 202619:17
redhatcve
snyk
Snyk
Directory Traversal
27 May 202617:35
snyk
vulnrichment
Vulnrichment
CVE-2026-6957 Path traversal in Mattermost Legal Hold plugin via unsanitized file name from federated peer allows arbitrary file write.
27 May 202614:23
vulnrichment
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "5e3eab70-13a9-3c1f-967b-4b6832a792cb",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "6fa60fa2-50c4-3897-b0c7-f35c85872edb",
        "product": {
          "name": "Mattermost",
          "vendor": {
            "name": "Mattermost"
          }
        },
        "product_version": "0 ≤1.1.5"
      }
    ]
  }
]

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27 May 2026 17:27Current
6Medium risk
Vulners AI Score6
CVSS 3.18
EPSS0.00296
SSVC
16