Vulnerability-Lookup

PYSEC-2026-696

Vulnerability from pysec - Published: 2026-07-02 14:13 - Updated: 2026-07-06 07:36

Details

An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature.

Impacted products

Name	purl
onionshare-cli	pkg:pypi/onionshare-cli

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "onionshare-cli",
        "purl": "pkg:pypi/onionshare-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.3"
            },
            {
              "fixed": "2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.3",
        "2.3.1",
        "2.3.2",
        "2.3.3"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-41867",
    "GHSA-6rvj-pw9w-jcvc"
  ],
  "details": "An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature. ",
  "id": "PYSEC-2026-696",
  "modified": "2026-07-06T07:36:59.753847Z",
  "published": "2026-07-02T14:13:13.896919Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41867"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/onionshare/onionshare"
    },
    {
      "type": "WEB",
      "url": "https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4"
    },
    {
      "type": "WEB",
      "url": "https://www.ihteam.net/advisory/onionshare"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/onionshare-cli"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-6rvj-pw9w-jcvc"
    }
  ],
  "summary": "Information disclosure vulnerability in OnionShare"
}

CVE-2021-41867 (GCVE-0-2021-41867)

Vulnerability from cvelistv5 – Published: 2021-10-04 13:48 – Updated: 2024-08-04 03:22

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

2 references

URL	Tags
https://github.com/onionshare/onionshare/compare/…	x_refsource_MISC
https://www.ihteam.net/advisory/onionshare/	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:22:25.514Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.ihteam.net/advisory/onionshare/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-04T13:48:07.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.ihteam.net/advisory/onionshare/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-41867",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4",
              "refsource": "MISC",
              "url": "https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4"
            },
            {
              "name": "https://www.ihteam.net/advisory/onionshare/",
              "refsource": "MISC",
              "url": "https://www.ihteam.net/advisory/onionshare/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-41867",
    "datePublished": "2021-10-04T13:48:07.000Z",
    "dateReserved": "2021-10-04T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:22:25.514Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-6RVJ-PW9W-JCVC

Vulnerability from github – Published: 2021-11-19 20:39 – Updated: 2021-10-13 17:27

Summary

Information disclosure vulnerability in OnionShare

Details

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "onionshare-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.3"
            },
            {
              "fixed": "2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-41867"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-05T15:16:30Z",
    "nvd_published_at": "2021-10-04T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature. ",
  "id": "GHSA-6rvj-pw9w-jcvc",
  "modified": "2021-10-13T17:27:56Z",
  "published": "2021-11-19T20:39:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41867"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/onionshare/onionshare"
    },
    {
      "type": "WEB",
      "url": "https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4"
    },
    {
      "type": "WEB",
      "url": "https://www.ihteam.net/advisory/onionshare"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Information disclosure vulnerability in OnionShare"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

PYSEC-2026-696

CVE-2021-41867 (GCVE-0-2021-41867)

GHSA-6RVJ-PW9W-JCVC

Tags

Sightings

Nomenclature