Vulnerability-Lookup

GHSA-W88C-7765-Q5GG

Vulnerability from github – Published: 2026-06-22 21:31 – Updated: 2026-07-03 03:34

Details

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.

Severity ?

3.7 (Low)


                  
                    CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-48931"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-367"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-22T20:16:29Z",
    "severity": "LOW"
  },
  "details": "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.\n\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.",
  "id": "GHSA-w88c-7765-q5gg",
  "modified": "2026-07-03T03:34:13Z",
  "published": "2026-06-22T21:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48931"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nodejs/node/issues/63989"
    },
    {
      "type": "WEB",
      "url": "https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke"
    },
    {
      "type": "WEB",
      "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/02/2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-48931 (GCVE-0-2026-48931)

Vulnerability from cvelistv5 – Published: 2026-06-22 18:59 – Updated: 2026-07-03 00:32

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**.

Severity ?

3.7 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

hackerone

References

URL

Tags

https://nodejs.org/en/blog/vulnerability/june-202…

Impacted products

	Vendor	Product	Version
	nodejs	node	Affected: 22.22.3 , ≤ 22.22.3 (semver) Affected: 24.16.0 , ≤ 24.16.0 (semver) Affected: 26.3.0 , ≤ 26.3.0 (semver)

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JSON

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        "providerMetadata": {
          "dateUpdated": "2026-07-03T00:32:38.949Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke"
          },
          {
            "url": "https://github.com/nodejs/node/issues/63989"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/07/02/2"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-48931",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-23T14:14:24.449951Z",
                "version": "2.0.3"
              },
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-23T14:16:21.836Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "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"
            }
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      "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**."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.0"
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      "problemTypes": [
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              "cweId": "CWE-367",
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      "providerMetadata": {
        "dateUpdated": "2026-06-22T18:59:30.822Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
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      "references": [
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          "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
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  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
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    "datePublished": "2026-06-22T18:59:30.822Z",
    "dateReserved": "2026-05-26T15:00:06.427Z",
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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-W88C-7765-Q5GG

CVE-2026-48931 (GCVE-0-2026-48931)

Tags

Sightings

Nomenclature