{"cve":"CVE-2022-21691","nvd":{"published":"2022-01-18T22:15:08.040","modified":"2026-06-17T04:26:46.347","status":"Modified","description":"OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions chat participants can spoof their channel leave message, tricking others into assuming they left the chatroom.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","score":4.3},"cwes":["CWE-306"],"references":["https://github.com/onionshare/onionshare/releases/tag/v2.5","https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766","https://github.com/onionshare/onionshare/releases/tag/v2.5","https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"],"products":["onionshare:onionshare"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2022-21691","score":0.00679,"percentile":0.52356,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-w9m4-7w72-r766","url":"https://osv.dev/vulnerability/GHSA-w9m4-7w72-r766","summary":"Improper Access Control in Onionshare","modified":"2024-10-07T21:35:23.731705Z","packages":[{"ecosystem":"PyPI","name":"onionshare-cli","purl":"pkg:pypi/onionshare-cli","ranges":[">=2.3 <2.5"],"fixed":["2.5"]}]},{"id":"PYSEC-2022-42","url":"https://osv.dev/vulnerability/PYSEC-2022-42","summary":"","modified":"2023-11-08T04:08:08.125544Z","packages":[{"ecosystem":"PyPI","name":"onionshare-cli","purl":"pkg:pypi/onionshare-cli","ranges":["<2.5"],"fixed":["2.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}