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CVE-2026-55666 Rocket.Chat: Email Parameter Fallback Leads To Account Takeover Within Apple OAuth

🗓️ 24 Jun 2026 21:06:55Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Apple OAuth email fallback bug allows account takeover in Rocket.Chat before fix.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-55666
24 Jun 202621:06
attackerkb
CVE
CVE-2026-55666
24 Jun 202621:06
cve
EUVD
EUVD-2026-39119
24 Jun 202621:06
euvd
NVD
CVE-2026-55666
24 Jun 202622:16
nvd
Positive Technologies
PT-2026-52116
24 Jun 202600:00
ptsecurity
[
  {
    "vendor": "RocketChat",
    "product": "Rocket.Chat",
    "versions": [
      {
        "version": ">= 8.5.0-rc.0, < 8.5.1",
        "status": "affected"
      },
      {
        "version": ">= 8.4.0-rc.0, < 8.4.4",
        "status": "affected"
      },
      {
        "version": ">= 8.3.0-rc.0, < 8.3.6",
        "status": "affected"
      },
      {
        "version": ">= 8.2.0-rc.0, < 8.2.6",
        "status": "affected"
      },
      {
        "version": ">= 8.1.0-rc.0, < 8.1.6",
        "status": "affected"
      },
      {
        "version": ">= 7.11.0-rc.0, < 8.0.7",
        "status": "affected"
      },
      {
        "version": "< 7.10.13",
        "status": "affected"
      }
    ]
  }
]

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