{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-23869", "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "state": "PUBLISHED", "assignerShortName": "Meta", "dateReserved": "2026-01-16T19:49:26.309Z", "datePublished": "2026-04-08T19:11:08.418Z", "dateUpdated": "2026-07-15T01:17:57.169Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "react-server-dom-turbopack", "vendor": "Meta", "versions": [ { "lessThanOrEqual": "19.0.4", "status": "affected", "version": "19.0.0", "versionType": "semver" }, { "lessThanOrEqual": "19.1.5", "status": "affected", "version": "19.1.0", "versionType": "semver" }, { "lessThanOrEqual": "19.2.4", "status": "affected", "version": "19.2.0", "versionType": "semver" } ] }, { "defaultStatus": "unaffected", "product": "react-server-dom-parcel", "vendor": "Meta", "versions": [ { "lessThanOrEqual": "19.0.4", "status": "affected", "version": "19.0.0", "versionType": "semver" }, { "lessThanOrEqual": "19.1.5", "status": "affected", "version": "19.1.0", "versionType": "semver" }, { "lessThanOrEqual": "19.2.4", "status": "affected", "version": "19.2.0", "versionType": "semver" } ] }, { "defaultStatus": "unaffected", "product": "react-server-dom-webpack", "vendor": "Meta", "versions": [ { "lessThanOrEqual": "19.0.4", "status": "affected", "version": "19.0.0", "versionType": "semver" }, { "lessThanOrEqual": "19.1.5", "status": "affected", "version": "19.1.0", "versionType": "semver" }, { "lessThanOrEqual": "19.2.4", "status": "affected", "version": "19.2.0", "versionType": "semver" } ] } ], "dateAssigned": "2026-04-08T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack (versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4). The vulnerability is triggered by sending specially crafted HTTP requests to Server Function endpoints.The payload of the HTTP request causes excessive CPU usage for up to a minute ending in a thrown error that is catchable." } ], "problemTypes": [ { "descriptions": [ { "description": "(CWE-502) Deserialization of Untrusted Data, (CWE-400) Uncontrolled Resource Consumption", "lang": "en" } ] } ], "providerMetadata": { "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "Meta", "dateUpdated": "2026-04-08T19:11:08.418Z" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/facebook/react/security/advisories/GHSA-479c-33wc-g2pg" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" } } ] }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-502", "lang": "en", "description": "CWE-502 Deserialization of Untrusted Data" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "CWE-400 Uncontrolled Resource Consumption" } ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-04-08T19:55:33.314236Z", "id": "CVE-2026-23869", "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": "2026-04-08T19:56:22.791Z" } }, { "affected": [ { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:openshift_ai" ], "defaultStatus": "unaffected", "packageName": "rhoai/odh-dashboard-rhel9", "product": "Red Hat OpenShift AI (RHOAI)", "vendor": "Red Hat" } ], "datePublic": "2026-04-08T19:11:08.418Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack. Specially crafted HTTP requests to server function endpoints can result in an excessive consumption of CPU resources for up to a minute, causing an error that is catchable." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-770", "description": "Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-23869" }, { "name": "RHBZ#2456663", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456663" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23869.json" } ], "timeline": [ { "lang": "en", "time": "2026-04-08T20:01:00.803Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-04-08T19:11:08.418Z", "value": "Made public." } ], "title": "react-server-dom-parcel: react-server-dom-turbopack: react-server-dom-webpack: denial of service via specially crafted HTTP requests to Server Function endpoints", "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-15T01:17:57.169Z" } } ] } }