Vulnerability-Lookup

PYSEC-2026-2616

Vulnerability from pysec - Published: 2026-07-13 15:15 - Updated: 2026-07-13 15:15

Details

Impact

A receiver who specifies "--output " where that output directory currently exists (as a directory).

Patches

0.24.0 will contain the patch

Workarounds

Ensure local target directories specified by "--output" do not already exist

Resources

Private email and Signal communications from a user. Magic Wormhole thanks @marduc812

Severity

3.5 (Low)


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

Impacted products

Name	purl
magic-wormhole	pkg:pypi/magic-wormhole

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "magic-wormhole",
        "purl": "pkg:pypi/magic-wormhole"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.23.0"
            },
            {
              "fixed": "0.24.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.23.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42448",
    "GHSA-cf92-gfcw-6v53"
  ],
  "details": "### Impact\nA receiver who specifies \"--output \u003cdir\u003e\" where that output directory currently exists (as a directory).\n\n### Patches\n0.24.0 will contain the patch\n\n### Workarounds\nEnsure local target directories specified by \"--output\" do not already exist\n\n### Resources\nPrivate email and Signal communications from a user.\nMagic Wormhole thanks  @marduc812",
  "id": "PYSEC-2026-2616",
  "modified": "2026-07-13T15:15:39.233478Z",
  "published": "2026-07-13T15:15:39.233478Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/magic-wormhole/magic-wormhole/security/advisories/GHSA-cf92-gfcw-6v53"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42448"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/magic-wormhole/magic-wormhole"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/magic-wormhole"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-cf92-gfcw-6v53"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Magic Wormhole: receive, with --output pointing at an existing directory can be path-traversed"
}

BREW-MAGIC-WORMHOLE-CVE-… (CVE-2026-42448)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:10 – Updated: 2026-09-10 00:28 – Source website

Summary

wormhole receive, with --output pointing at an existing directory can be path-traversed

Details

Magic Wormhole makes it possible to get arbitrary-sized files and directories from one computer to another. Prior to 0.24.0, there is a path traversal when a receiver who specifies "--output " where that output directory currently exists (as a directory). This vulnerability is fixed in 0.24.0.

Severity

3.5 (Low)


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

References

URL

Type

	https://github.com/CVEProject/cvelistV5/tree/main…	ADVISORY
	https://github.com/magic-wormhole/magic-wormhole/…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-42448	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "0.24.0"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "magic-wormhole",
        "purl": "pkg:brew/magic-wormhole"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.24.0_3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "git",
    "upstream_evidence": [
      {
        "ecosystem": "GIT",
        "key": "https://github.com/magic-wormhole/magic-wormhole",
        "name": "https://github.com/magic-wormhole/magic-wormhole",
        "strategy": "git",
        "subject_version": "0.24.0"
      },
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/magic-wormhole@0.24.0",
        "name": "magic-wormhole",
        "strategy": "registry",
        "subject_version": "0.24.0"
      }
    ]
  },
  "details": "Magic Wormhole makes it possible to get arbitrary-sized files and directories from one computer to another. Prior to 0.24.0, there is a path traversal when a receiver who specifies \"--output \u003cdir\u003e\" where that output directory currently exists (as a directory). This vulnerability is fixed in 0.24.0.",
  "id": "BREW-magic-wormhole-CVE-2026-42448",
  "modified": "2026-09-10T00:28:25Z",
  "published": "2026-08-13T17:10:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42448.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/magic-wormhole/magic-wormhole/security/advisories/GHSA-cf92-gfcw-6v53"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42448"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "wormhole receive, with --output pointing at an existing directory can be path-traversed",
  "upstream": [
    "CVE-2026-42448",
    "GHSA-cf92-gfcw-6v53",
    "PYSEC-2026-2616"
  ]
}

CVE-2026-42448 (GCVE-0-2026-42448)

Vulnerability from cvelistv5 – Published: 2026-05-26 17:57 – Updated: 2026-05-27 13:17

Title

wormhole receive, with --output pointing at an existing directory can be path-traversed

Summary

Magic Wormhole makes it possible to get arbitrary-sized files and directories from one computer to another. Prior to 0.24.0, there is a path traversal when a receiver who specifies "--output <dir>" where that output directory currently exists (as a directory). This vulnerability is fixed in 0.24.0.

Severity

3.5 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-27 13:17 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/magic-wormhole/magic-wormhole/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
magic-wormhole	magic-wormhole	Affected: < 0.24.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-42448",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-27T13:17:19.858558Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-27T13:17:27.943Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "magic-wormhole",
          "vendor": "magic-wormhole",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.24.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Magic Wormhole makes it possible to get arbitrary-sized files and directories from one computer to another. Prior to 0.24.0, there is a path traversal when a receiver who specifies \"--output \u003cdir\u003e\" where that output directory currently exists (as a directory). This vulnerability is fixed in 0.24.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-26T17:57:20.946Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/magic-wormhole/magic-wormhole/security/advisories/GHSA-cf92-gfcw-6v53",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/magic-wormhole/magic-wormhole/security/advisories/GHSA-cf92-gfcw-6v53"
        }
      ],
      "source": {
        "advisory": "GHSA-cf92-gfcw-6v53",
        "discovery": "UNKNOWN"
      },
      "title": "wormhole receive, with --output pointing at an existing directory can be path-traversed"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-42448",
    "datePublished": "2026-05-26T17:57:20.946Z",
    "dateReserved": "2026-04-27T13:55:58.693Z",
    "dateUpdated": "2026-05-27T13:17:27.943Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-CF92-GFCW-6V53

Vulnerability from github – Published: 2026-05-06 20:40 – Updated: 2026-06-08 23:28

Summary

Magic Wormhole: receive, with --output pointing at an existing directory can be path-traversed

Details

Impact

A receiver who specifies "--output " where that output directory currently exists (as a directory).

Patches

0.24.0 will contain the patch

Workarounds

Ensure local target directories specified by "--output" do not already exist

Resources

Private email and Signal communications from a user. Magic Wormhole thanks @marduc812

Severity

3.5 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "magic-wormhole"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.23.0"
            },
            {
              "fixed": "0.24.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.23.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42448"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-06T20:40:17Z",
    "nvd_published_at": "2026-05-26T18:16:48Z",
    "severity": "LOW"
  },
  "details": "### Impact\nA receiver who specifies \"--output \u003cdir\u003e\" where that output directory currently exists (as a directory).\n\n### Patches\n0.24.0 will contain the patch\n\n### Workarounds\nEnsure local target directories specified by \"--output\" do not already exist\n\n### Resources\nPrivate email and Signal communications from a user.\nMagic Wormhole thanks  @marduc812",
  "id": "GHSA-cf92-gfcw-6v53",
  "modified": "2026-06-08T23:28:03Z",
  "published": "2026-05-06T20:40:17Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/magic-wormhole/magic-wormhole/security/advisories/GHSA-cf92-gfcw-6v53"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42448"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/magic-wormhole/magic-wormhole"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Magic Wormhole: receive, with --output pointing at an existing directory can be path-traversed"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

PYSEC-2026-2616

Impact

Patches

Workarounds

Resources

BREW-MAGIC-WORMHOLE-CVE-… (CVE-2026-42448)

CVE-2026-42448 (GCVE-0-2026-42448)

GHSA-CF92-GFCW-6V53

Impact

Patches

Workarounds

Resources

Tags

Sightings

Nomenclature

Related by attack behaviour