FKIE_CVE-2026-48931

Vulnerability from fkie_nvd - Published: 2026-06-22 20:16 - Updated: 2026-07-03 01:16
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
References
support@hackerone.comhttps://nodejs.org/en/blog/vulnerability/june-2026-security-releasesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/07/02/2
af854a3a-2127-422b-91ae-364da2661108https://github.com/nodejs/node/issues/63989Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://jdstaerk.substack.com/p/nodejs-security-fix-silently-brokeThird Party Advisory
Impacted products
Vendor Product Version
nodejs node.js 22.22.3
nodejs node.js 24.16.0
nodejs node.js 26.3.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "node",
          "vendor": "nodejs",
          "versions": [
            {
              "lessThanOrEqual": "22.22.3",
              "status": "affected",
              "version": "22.22.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "24.16.0",
              "status": "affected",
              "version": "24.16.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "26.3.0",
              "status": "affected",
              "version": "26.3.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "support@hackerone.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nodejs:node.js:22.22.3:*:*:*:-:*:*:*",
              "matchCriteriaId": "3C0C5080-5F99-4651-9855-2DE03C9070C5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nodejs:node.js:24.16.0:*:*:*:-:*:*:*",
              "matchCriteriaId": "3B912C84-1AA5-4D74-AB1A-64162C80A33B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:*",
              "matchCriteriaId": "8152ACE6-3CAF-4CA0-8B19-D4753811EB44",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**."
    }
  ],
  "id": "CVE-2026-48931",
  "lastModified": "2026-07-03T01:16:22.700",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "support@hackerone.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-48931",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-23T14:14:24.449951Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-22T20:16:29.957",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/02/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Issue Tracking",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    }
  ]
}


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  • 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.
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  • 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.



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