Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-04-06 07:58

Modified

2026-04-06 08:26

Summary

Details

A flaw in Node.js URL processing causes an assertion failure in native code when url.format() is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "node",
        "purl": "pkg:bitnami/node"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "24.0.0"
            },
            {
              "fixed": "24.14.1"
            },
            {
              "introduced": "25.0.0"
            },
            {
              "fixed": "25.8.2"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-21712"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.",
  "id": "BIT-node-2026-21712",
  "modified": "2026-04-06T08:26:41.107Z",
  "published": "2026-04-06T07:58:33.472Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/3546390"
    },
    {
      "type": "WEB",
      "url": "https://nodejs.org/en/blog/vulnerability/march-2026-security-releases"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21712"
    }
  ],
  "schema_version": "1.6.2"
}

CVE-2026-21712 (GCVE-0-2026-21712)

Vulnerability from cvelistv5 – Published: 2026-03-30 15:13 – Updated: 2026-03-30 15:52

Summary

A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.

Severity ?

5.7 (Medium)


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

Assigner

hackerone

References

URL

Tags

	https://nodejs.org/en/blog/vulnerability/march-20…
	https://hackerone.com/reports/3546390

Impacted products

	Vendor	Product	Version
	nodejs	node	Affected: 24.14.0 , ≤ 24.14.0 (semver) Affected: 25.8.1 , ≤ 25.8.1 (semver)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-21712",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-30T15:52:17.619170Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-30T15:52:42.507Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "node",
          "vendor": "nodejs",
          "versions": [
            {
              "lessThanOrEqual": "24.14.0",
              "status": "affected",
              "version": "24.14.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "25.8.1",
              "status": "affected",
              "version": "25.8.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-30T15:13:59.172Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://nodejs.org/en/blog/vulnerability/march-2026-security-releases"
        },
        {
          "url": "https://hackerone.com/reports/3546390"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-21712",
    "datePublished": "2026-03-30T15:13:59.172Z",
    "dateReserved": "2026-01-04T15:00:06.574Z",
    "dateUpdated": "2026-03-30T15:52:42.507Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

Vulnerability from bitnami_vulndb

CVE-2026-21712 (GCVE-0-2026-21712)

Tags

Sightings

Nomenclature