{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-56846","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","state":"PUBLISHED","assignerShortName":"hackerone","dateReserved":"2026-06-23T15:00:03.632Z","datePublished":"2026-08-04T00:49:58.319Z","dateUpdated":"2026-08-04T15:03:38.709Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion.\r\n\r\nThis vulnerability affects Node.js **24.x** and **22.x**."}],"affected":[{"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"}]}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/july-2026-security-releases"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"providerMetadata":{"orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","shortName":"hackerone","dateUpdated":"2026-08-04T00:49:58.319Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-04T14:28:25.511403Z","id":"CVE-2026-56846","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-04T15:03:38.709Z"}}]}}