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CVE-2026-42084 OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence

🗓️ 04 May 2026 17:11:31Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

OpenC3 COSMOS before 6.10.5 and 7.0.0-rc3 lets password change with a valid session token, enabling persistence.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42084
4 May 202617:11
attackerkb
Circl
CVE-2026-42084
20 Apr 202603:08
circl
CNNVD
OpenC3 COSMOS 安全漏洞
4 May 202600:00
cnnvd
CVE
CVE-2026-42084
4 May 202617:11
cve
EUVD
EUVD-2026-27057
4 May 202617:11
euvd
Github Security Blog
OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence
22 Apr 202622:13
github
NVD
CVE-2026-42084
4 May 202618:16
nvd
OSV
GHSA-WGX6-G857-JJF7 OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence
22 Apr 202622:13
osv
Positive Technologies
PT-2026-36878
22 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-42084
6 May 202620:21
redhatcve
Rows per page
[
  {
    "vendor": "OpenC3",
    "product": "cosmos",
    "versions": [
      {
        "version": "< 6.10.5",
        "status": "affected"
      },
      {
        "version": ">= 7.0.0.pre.rc1, < 7.0.0-rc3",
        "status": "affected"
      }
    ]
  }
]

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04 May 2026 17:11Current
CVSS 3.18.1
EPSS0.00305
29