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CVE-2026-5755

🗓️ 22 May 2026 10:18:49Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 25 Views

CVE-2026-5755 enables DoS via crafted TIFF uploads from IFD offset validation flaw in Mattermost.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-5755
22 May 202610:18
attackerkb
CNNVD
Mattermost 安全漏洞
22 May 202600:00
cnnvd
Cvelist
CVE-2026-5755 Denial of service via crafted TIFF file upload
22 May 202610:18
cvelist
EUVD
EUVD-2026-31427
22 May 202610:18
euvd
NVD
CVE-2026-5755
22 May 202611:16
nvd
Positive Technologies
PT-2026-42751
22 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-5755
5 Jun 202619:34
redhatcve
Vulnrichment
CVE-2026-5755 Denial of service via crafted TIFF file upload
22 May 202610:18
vulnrichment
NVD
Node
mattermostmattermost_serverRange10.11.010.11.15
OR
mattermostmattermost_serverRange11.4.011.4.5
OR
mattermostmattermost_serverRange11.5.011.5.3
OR
mattermostmattermost_serverRange11.6.011.6.1
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.6.0",
        "status": "affected",
        "version": "11.6.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.5.2",
        "status": "affected",
        "version": "11.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.5.3",
        "status": "affected",
        "version": "11.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.4.4",
        "status": "affected",
        "version": "11.4.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.14",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.7.0",
        "status": "unaffected"
      },
      {
        "version": "11.6.1",
        "status": "unaffected"
      },
      {
        "version": "11.5.3",
        "status": "unaffected"
      },
      {
        "version": "11.5.4",
        "status": "unaffected"
      },
      {
        "version": "11.4.5",
        "status": "unaffected"
      },
      {
        "version": "10.11.15",
        "status": "unaffected"
      }
    ]
  }
]

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17 Jun 2026 10:59Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00245
SSVC
25