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CVE-2026-3303 IBM Concert Software Permissive Cross-domain Security Policy

🗓️ 19 Oct 2026 17:17:45Reported by ibmType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Permissive CORS in IBM Concert allows privileged actions on untrusted domains.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins
Security Bulletin: Multiple Vulnerabilities in IBM Concert Software
14 Oct 202607:14
–ibm
circl
Circl
CVE-2026-3303
19 Oct 202617:27
–circl
cve
CVE
CVE-2026-3303
19 Oct 202617:17
–cve
euvd
EUVD
EUVD-2026-104532
19 Oct 202617:17
–euvd
nvd
NVD
CVE-2026-3303
19 Oct 202618:17
–nvd
[
  {
    "vendor": "IBM",
    "product": "Concert",
    "versions": [
      {
        "status": "affected",
        "version": "1.0.0",
        "lessThanOrEqual": "3.0.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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19 Oct 2026 17:17Current
CVSS 3.13.7
4