{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54706","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-15T22:58:06.563Z","datePublished":"2026-07-31T16:30:58.062Z","dateUpdated":"2026-07-31T19:00:44.128Z"},"containers":{"cna":{"title":"OnionShare follows symlinks in shared directories, allowing unintended disclosure of local files","problemTypes":[{"descriptions":[{"cweId":"CWE-59","lang":"en","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/onionshare/onionshare/security/advisories/GHSA-22p9-r2f5-22mf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/onionshare/onionshare/security/advisories/GHSA-22p9-r2f5-22mf"},{"name":"https://github.com/onionshare/onionshare/commit/48f31cfac077fcc9c04c67c2a6dbf87d956f5eec","tags":["x_refsource_MISC"],"url":"https://github.com/onionshare/onionshare/commit/48f31cfac077fcc9c04c67c2a6dbf87d956f5eec"},{"name":"https://github.com/onionshare/onionshare/releases/tag/v2.6.4","tags":["x_refsource_MISC"],"url":"https://github.com/onionshare/onionshare/releases/tag/v2.6.4"}],"affected":[{"vendor":"onionshare","product":"onionshare","versions":[{"version":"< 2.6.4","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-31T16:30:58.062Z"},"descriptions":[{"lang":"en","value":"OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop follows symbolic links in cli/onionshare_cli/web/send_base_mode.py through SendBaseModeWeb.set_file_info() and stream_individual_file(), allowing remote recipients of Share or Website mode to read local files outside the selected directory. This issue is fixed in version 2.6.4."}],"source":{"advisory":"GHSA-22p9-r2f5-22mf","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/onionshare/onionshare/security/advisories/GHSA-22p9-r2f5-22mf","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T18:54:58.096662Z","id":"CVE-2026-54706","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-31T19:00:44.128Z"}}]}}