FKIE_CVE-2026-23870

Vulnerability from fkie_nvd - Published: 2026-05-06 17:16 - Updated: 2026-06-17 10:22
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
cve-assign@fb.comhttps://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh
Impacted products
Vendor Product Version
To clipboard 

{
  "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"
    }
  ],
  "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": "2026-06-17T10:22:14.020",
  "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",
      "url": "https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh"
    }
  ],
  "sourceIdentifier": "cve-assign@fb.com",
  "vulnStatus": "Awaiting Analysis"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.