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CVE-2026-90882 Reflected arbitrary origins with credentials, allowing cross-origin reads of authenticated user data

🗓️ 22 Sep 2026 09:27:34Reported by eclipseType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Reflected CORS with credentials on open-vsx.org /user/ enables cross-origin token exfiltration.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-90882
22 Sep 202611:43
circl
cve
CVE
CVE-2026-90882
22 Sep 202609:27
cve
euvd
EUVD
EUVD-2026-84343
22 Sep 202609:27
euvd
nvd
NVD
CVE-2026-90882
22 Sep 202610:17
nvd
vulnrichment
Vulnrichment
CVE-2026-90882 Reflected arbitrary origins with credentials, allowing cross-origin reads of authenticated user data
22 Sep 202609:27
vulnrichment
[
  {
    "vendor": "Eclipse Foundation",
    "product": "open-vsx.org",
    "versions": [
      {
        "status": "affected",
        "version": "29/04/2026",
        "lessThanOrEqual": "07/09/2026",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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