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CVE-2026-54398 MISP object edit authorization bypass allows unauthorized sharing group assignment

🗓️ 12 Jun 2026 21:08:15Reported by CIRCLType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Authorization flaw in MISP allows authenticated editors to assign objects or attributes to unauthorized sharing groups.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-54398
12 Jun 202621:08
cve
EUVD
EUVD-2026-36603
12 Jun 202621:08
euvd
NVD
CVE-2026-54398
12 Jun 202622:16
nvd
Positive Technologies
PT-2026-49007
12 Jun 202600:00
ptsecurity
[
  {
    "defaultStatus": "unaffected",
    "product": "misp",
    "repo": "https://github.com/misp/misp",
    "vendor": "misp",
    "versions": [
      {
        "lessThan": "2.5.40",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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