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EUVD-2026-37808

🗓️ 17 Jun 2026 21:32:41Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

XianYuLauncher before 1.5.5 exposed auth artifacts via localhost redirect without PKCE or state; fixed in 1.5.5.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-48991
17 Jun 202621:32
cve
Cvelist
CVE-2026-48991 XianYuLauncher: Legacy Microsoft account OAuth sign-in flow lacks PKCE and state validation
17 Jun 202621:32
cvelist
NVD
CVE-2026-48991
17 Jun 202622:16
nvd
Positive Technologies
PT-2026-50552
17 Jun 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "062edbe6-6382-3760-ae71-2b0990a5efe0",
        "vendor": {
          "name": "XianYuLauncher"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "ea373ecf-fb73-3158-b60f-db66dc988078",
        "product": {
          "name": "XianYuLauncher",
          "vendor": {
            "name": "XianYuLauncher"
          }
        },
        "product_version": "< 1.5.5"
      }
    ]
  }
]

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17 Jun 2026 21:32Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.15.5
3