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EUVD-2026-15962

🗓️ 25 Mar 2026 17:07:51Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu

NATS pre-auth remote server crashes due to WebSocket frame length overflow in wsRead.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27889
25 Mar 202619:36
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AlpineLinux
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25 Mar 202619:36
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CVE-2026-27889 vulnerabilities
26 Mar 202619:17
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Circl
CVE-2026-27889
25 Mar 202617:07
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CNNVD
Nats-Server 输入验证错误漏洞
25 Mar 202600:00
cnnvd
CVE
CVE-2026-27889
25 Mar 202619:36
cve
Cvelist
CVE-2026-27889 NATS: Pre-auth remote server crash via WebSocket frame length overflow in wsRead
25 Mar 202619:36
cvelist
Debian CVE
CVE-2026-27889
25 Mar 202619:36
debiancve
Github Security Blog
NATS: Pre-auth remote server crash via WebSocket frame length overflow in wsRead
25 Mar 202617:07
github
NVD
CVE-2026-27889
25 Mar 202620:16
nvd
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "88376be5-3fa9-356e-b952-b315d23da2ef",
        "vendor": {
          "name": "nats-io"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "1bfeb68a-1213-34ad-834a-961df20606fa",
        "product": {
          "name": "nats-server"
        },
        "product_version": "2.2.0, < 2.11.14"
      },
      {
        "id": "e5de3b5c-7d56-38a8-998a-240887af7639",
        "product": {
          "name": "nats-server"
        },
        "product_version": "2.12.0, < 2.12.5"
      }
    ]
  }
]

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25 Mar 2026 17:07Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00094
SSVC
0