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CVE-2026-19600 Mattermost logs plaintext authentication tokens in debug-level server logs on failed auth attempts

🗓️ 16 Oct 2026 07:07:17Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Mattermost logs plaintext authentication tokens in debug-level server logs.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-19600
16 Oct 202608:11
–circl
cve
CVE
CVE-2026-19600
16 Oct 202607:07
–cve
euvd
EUVD
EUVD-2026-102744
16 Oct 202607:07
–euvd
nvd
NVD
CVE-2026-19600
16 Oct 202608:17
–nvd
ptsecurity
Positive Technologies
PT-2026-115515
16 Oct 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-19600 Mattermost logs plaintext authentication tokens in debug-level server logs on failed auth attempts
16 Oct 202607:07
–vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.9.1",
        "status": "affected",
        "version": "11.9.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.8.5",
        "status": "affected",
        "version": "11.8.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.7.10",
        "status": "affected",
        "version": "11.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.10.1",
        "status": "affected",
        "version": "11.10.0",
        "versionType": "semver"
      },
      {
        "version": "11.11.0",
        "status": "unaffected"
      },
      {
        "version": "11.9.2",
        "status": "unaffected"
      },
      {
        "version": "11.8.6",
        "status": "unaffected"
      },
      {
        "version": "11.7.11",
        "status": "unaffected"
      },
      {
        "version": "11.10.2",
        "status": "unaffected"
      }
    ]
  }
]

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