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EUVD-2026-38542

🗓️ 23 Jun 2026 17:15:05Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 42 Views

Deno prior to 2.8.1 could bypass deny rules when a domain resolves to a denied Internet Protocol address during Web Socket open.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-49860
23 Jun 202617:15
–alpinelinux
circl
Circl
CVE-2026-49860
29 Jun 202616:07
–circl
cve
CVE
CVE-2026-49860
23 Jun 202617:15
–cve
cvelist
Cvelist
CVE-2026-49860 Deno: WebSocket API sandbox bypass via missing post-DNS check
23 Jun 202617:15
–cvelist
github
Github Security Blog
Deno: WebSocket API sandbox bypass via missing post-DNS check
16 Jun 202619:04
–github
mend
Mend
CVE-2026-49860
23 Jun 202617:15
–mend
nvd
NVD
CVE-2026-49860
23 Jun 202618:18
–nvd
osv_ghsa
osv_ghsa
GHSA-83PC-3RW9-QPWJ Deno: WebSocket API sandbox bypass via missing post-DNS check
16 Jun 202619:04
–osv_ghsa
osv_jlsec
osv_jlsec
JLSEC-2026-1165 Deno: WebSocket API sandbox bypass via missing post-DNS check
5 Aug 202618:20
–osv_jlsec
ptsecurity
Positive Technologies
PT-2026-50154
16 Jun 202600:00
–ptsecurity
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "29be833d-186b-3297-b165-5c240e05bf31",
        "vendor": {
          "name": "denoland"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "af0b5a1c-d5a2-3324-9a93-0d5b1458c42e",
        "product": {
          "name": "deno",
          "vendor": {
            "name": "denoland"
          }
        },
        "product_version": "< 2.8.1"
      }
    ]
  }
]

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23 Jun 2026 17:37Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.2
EPSS0.00141
SSVC
42