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CVE-2026-22880

🗓️ 21 May 2026 08:22:00Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

Mobile SSO flow allows credential theft via malicious server relaying SSO code in Mattermost mobile apps.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-22880
21 May 202608:22
attackerkb
CNNVD
Mattermost Mobile Apps 跨站请求伪造漏洞
21 May 202600:00
cnnvd
Cvelist
CVE-2026-22880 Mobile SSO authentication flow allows credential theft via malicious server
21 May 202608:22
cvelist
EUVD
EUVD-2026-31250
21 May 202608:22
euvd
NVD
CVE-2026-22880
21 May 202609:16
nvd
Positive Technologies
PT-2026-42432
21 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-22880
5 Jun 202619:27
redhatcve
Vulnrichment
CVE-2026-22880 Mobile SSO authentication flow allows credential theft via malicious server
21 May 202608:22
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "2.0.37",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.0.4",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.1.3",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.3.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.11",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "version": "2.38.0",
        "status": "unaffected"
      },
      {
        "version": "11.5.0",
        "status": "unaffected"
      },
      {
        "version": "2.37.1.0",
        "status": "unaffected"
      },
      {
        "version": "11.4.1",
        "status": "unaffected"
      },
      {
        "version": "11.3.2",
        "status": "unaffected"
      },
      {
        "version": "11.2.4",
        "status": "unaffected"
      },
      {
        "version": "10.11.12",
        "status": "unaffected"
      }
    ]
  }
]

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21 May 2026 15:26Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.1
EPSS0.00016
SSVC
10