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CVE-2026-56846

🗓️ 04 Aug 2026 00:49:58Reported by hackeroneType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

HTTP/2 header handling flaw in Node.js lets retained header blocks evade memory limits and cause remote exhaustion in 24.x and 22.x.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-56846
4 Aug 202600:49
attackerkb
alpinelinux
AlpineLinux
CVE-2026-56846
4 Aug 202600:49
alpinelinux
circl
Circl
CVE-2026-56846
30 Jul 202604:46
circl
cve
CVE
CVE-2026-56846
4 Aug 202600:49
cve
debiancve
Debian CVE
CVE-2026-56846
29 Jul 202600:00
debiancve
euvd
EUVD
EUVD-2026-52564
4 Aug 202603:31
euvd
nodejsblog
Node JS Blog
Wednesday, July 29, 2026 Security Releases
29 Jul 202600:00
nodejsblog
nessus
Tenable Nessus
Node.js 22.x < 22.23.2 / 24.x < 24.18.1 / 26.x < 26.5.1 Multiple Vulnerabilities (Wednesday, July 29, 2026 Security Releases).
29 Jul 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-56846
30 Jul 202600:00
nessus
nvd
NVD
CVE-2026-56846
4 Aug 202601:16
nvd
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "vendor": "nodejs",
    "product": "node",
    "versions": [
      {
        "version": "24.18.0",
        "status": "affected",
        "lessThanOrEqual": "24.18.0",
        "versionType": "semver"
      },
      {
        "version": "22.23.1",
        "status": "affected",
        "lessThanOrEqual": "22.23.1",
        "versionType": "semver"
      }
    ]
  }
]

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