{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54707","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-15T22:58:06.563Z","datePublished":"2026-07-31T16:28:06.628Z","dateUpdated":"2026-07-31T23:28:15.094Z"},"containers":{"cna":{"title":"OnionShare Receive mode writes uploaded files even when file uploads are disabled","problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","version":"3.1"}}],"references":[{"name":"https://github.com/onionshare/onionshare/security/advisories/GHSA-v833-3823-cmhp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/onionshare/onionshare/security/advisories/GHSA-v833-3823-cmhp"},{"name":"https://github.com/onionshare/onionshare/commit/a090e97193efc91fbeac9dace7793ea568b83cf5","tags":["x_refsource_MISC"],"url":"https://github.com/onionshare/onionshare/commit/a090e97193efc91fbeac9dace7793ea568b83cf5"},{"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":"2026-07-31T16:28:06.628Z"},"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 does not enforce the Receive mode disable_files setting in cli/onionshare_cli/web/receive_mode.py, where ReceiveModeRequest._get_file_stream() writes multipart file[] data to disk despite the text-only setting. This issue is fixed in version 2.6.4."}],"source":{"advisory":"GHSA-v833-3823-cmhp","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/onionshare/onionshare/security/advisories/GHSA-v833-3823-cmhp","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T23:27:45.200593Z","id":"CVE-2026-54707","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":"2026-07-31T23:28:15.094Z"}}]}}