FKIE_CVE-2026-23870
Vulnerability from fkie_nvd - Published: 2026-05-06 17:16 - Updated: 2026-08-12 15:51
Severity
Summary
A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5).
References
| URL | Tags | ||
|---|---|---|---|
| cve-assign@fb.com | https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh | Vendor Advisory |
Impacted products
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "react-server-dom-turbopack",
"vendor": "Meta",
"versions": [
{
"lessThanOrEqual": "19.0.5",
"status": "affected",
"version": "19.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "19.1.6",
"status": "affected",
"version": "19.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "19.2.5",
"status": "affected",
"version": "19.2.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "react-server-dom-parcel",
"vendor": "Meta",
"versions": [
{
"lessThanOrEqual": "19.0.5",
"status": "affected",
"version": "19.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "19.1.6",
"status": "affected",
"version": "19.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "19.2.5",
"status": "affected",
"version": "19.2.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "react-server-dom-webpack",
"vendor": "Meta",
"versions": [
{
"lessThanOrEqual": "19.0.5",
"status": "affected",
"version": "19.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "19.1.6",
"status": "affected",
"version": "19.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "19.2.5",
"status": "affected",
"version": "19.2.0",
"versionType": "semver"
}
]
}
],
"source": "cve-assign@fb.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-parcel:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "A1678B87-ED02-4BF8-A08C-A87759FDFAEC",
"versionEndIncluding": "19.0.5",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-parcel:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "D6962C45-D7EC-4DF0-B9C6-DB96A84384FA",
"versionEndIncluding": "19.1.6",
"versionStartIncluding": "19.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-parcel:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "640841EA-DA32-4459-9F6A-FCAC50E3D446",
"versionEndIncluding": "19.2.5",
"versionStartIncluding": "19.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-turbopack:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "B1F8B3DF-589C-4CEC-9BD6-854B23406AF0",
"versionEndIncluding": "19.0.5",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-turbopack:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "532D814C-29FF-400A-971F-49C16C6AA131",
"versionEndIncluding": "19.1.6",
"versionStartIncluding": "19.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-turbopack:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "385AECA1-DEF6-4349-9BFD-807B071740F1",
"versionEndIncluding": "19.2.5",
"versionStartIncluding": "19.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-webpack:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "AA8882E3-789E-4A7B-B47E-6286F60F719E",
"versionEndIncluding": "19.0.5",
"versionStartIncluding": "19.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-webpack:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "BB14FFF9-8903-4AAC-A563-B498394C75C0",
"versionEndIncluding": "19.1.6",
"versionStartIncluding": "19.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:facebook:react-server-dom-webpack:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "7A563960-4696-481F-8BAB-5A437AB5F14A",
"versionEndIncluding": "19.2.5",
"versionStartIncluding": "19.2.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5)."
}
],
"id": "CVE-2026-23870",
"lastModified": "2026-08-12T15:51:57.517",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "cve-assign@fb.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-23870",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-06T19:03:16.700440Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-05-06T17:16:22.043",
"references": [
{
"source": "cve-assign@fb.com",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh"
}
],
"sourceIdentifier": "cve-assign@fb.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Loading…
Loading…