Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-03-10 08:44

Modified

2026-03-11 09:11

Summary

Incorrect parsing of IPv6 host literals in net/url

Details

url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "golang",
        "purl": "pkg:bitnami/golang"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.25.8"
            },
            {
              "introduced": "1.26.0-0"
            },
            {
              "fixed": "1.26.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-25679"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.",
  "id": "BIT-golang-2026-25679",
  "modified": "2026-03-11T09:11:40.352Z",
  "published": "2026-03-10T08:44:09.300Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://go.dev/cl/752180"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/issue/77578"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25679"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2026-4601"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Incorrect parsing of IPv6 host literals in net/url"
}

CVE-2026-25679 (GCVE-0-2026-25679)

Vulnerability from cvelistv5 – Published: 2026-03-06 21:28 – Updated: 2026-03-10 13:37

Title

Incorrect parsing of IPv6 host literals in net/url

Summary

url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-1286 - Improper Validation of Syntactic Correctness of Input

Assigner

References

URL

Tags

	https://go.dev/cl/752180
	https://go.dev/issue/77578
	https://groups.google.com/g/golang-announce/c/Edh…
	https://pkg.go.dev/vuln/GO-2026-4601

Impacted products

	Vendor	Product	Version
	Go standard library	net/url	Affected: 0 , < 1.25.8 (semver) Affected: 1.26.0-0 , < 1.26.1 (semver)

Credits

Masaki Hara (https://github.com/qnighy) of Wantedly

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-25679",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-10T13:36:26.554241Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-10T13:37:02.459Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "net/url",
          "product": "net/url",
          "programRoutines": [
            {
              "name": "parseHost"
            },
            {
              "name": "JoinPath"
            },
            {
              "name": "Parse"
            },
            {
              "name": "ParseRequestURI"
            },
            {
              "name": "URL.Parse"
            },
            {
              "name": "URL.UnmarshalBinary"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.25.8",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.26.1",
              "status": "affected",
              "version": "1.26.0-0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Masaki Hara (https://github.com/qnighy) of Wantedly"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "url.Parse insufficiently validated the host/authority component and accepted some invalid URLs."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-1286: Improper Validation of Syntactic Correctness of Input",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-06T21:28:14.211Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/cl/752180"
        },
        {
          "url": "https://go.dev/issue/77578"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2026-4601"
        }
      ],
      "title": "Incorrect parsing of IPv6 host literals in net/url"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2026-25679",
    "datePublished": "2026-03-06T21:28:14.211Z",
    "dateReserved": "2026-02-05T01:33:41.943Z",
    "dateUpdated": "2026-03-10T13:37:02.459Z",
    "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-2026-25679 (GCVE-0-2026-25679)

Tags

Sightings

Nomenclature