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CVE-2026-21435

🗓️ 12 Feb 2026 18:22:58Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 53 Views

CVE-2026-21435: CloseWithError can hang the close by withholding QUIC flow control on CONNECT stream.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-21435
12 Feb 202618:22
–attackerkb
cgr
Chainguard
CVE-2026-21435 vulnerabilities
23 Feb 202613:17
–cgr
circl
Circl
CVE-2026-21435
12 Feb 202621:40
–circl
cnnvd
CNNVD
webtransport-go: Resource management error vulnerability
12 Feb 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-21435 webtransport-go CloseWithError can block indefinitely
12 Feb 202618:22
–cvelist
github
Github Security Blog
Centrifugo v6.6.0 dependency vulnerabilities
19 Feb 202622:07
–github
github
Github Security Blog
webtransport-go: CloseWithError can block indefinitely
12 Feb 202615:29
–github
mend
Mend
CVE-2026-21435
12 Feb 202618:22
–mend
nvd
NVD
CVE-2026-21435
12 Feb 202619:15
–nvd
osv_cga
osv_cga
CGA-2467-R4W6-FVGJ
13 Feb 202623:35
–osv_cga
Rows per page
NVD
Vulners
Node
[
  {
    "vendor": "quic-go",
    "product": "webtransport-go",
    "versions": [
      {
        "version": "< 0.10.0",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:18Current
8High risk
Vulners AI Score8
CVSS 3.15.3 - 7.5
EPSS0.00465
SSVC
53