{"api_version":"1","generated_at":"2026-08-06T00:42:49+00:00","cve":"CVE-2026-71311","urls":{"html":"https://cve.report/CVE-2026-71311","api":"https://cve.report/api/cve/CVE-2026-71311.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-71311","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-71311"},"summary":{"title":"rclone: FTP Command Arguments Permit CRLF Injection When Custom Encoding Preserves Newlines","description":"rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.0, a valid but nondefault FTP filename encoding in backend/ftp/ftp.go can restore raw CR/LF immediately before an attacker-controlled path is interpolated into the line-oriented FTP control channel, and github.com/jlaffaye/ftp formats the argument through textproto.Conn.Cmd without rejecting CR or LF, allowing a filename such as victim CRLF DELE other-secret CRLF NOOP to inject an independent authenticated FTP command when the victim copies or syncs to a more-privileged FTP destination. This issue is fixed in 1.75.0.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-08-05 21:16:58","updated_at":"2026-08-05 21:16:58"},"problem_types":["CWE-93","CWE-93 CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"6.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"6.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/rclone/rclone/security/advisories/GHSA-8c48-q9wj-3w37","name":"https://github.com/rclone/rclone/security/advisories/GHSA-8c48-q9wj-3w37","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/rclone/rclone/commit/1df2b70753286c1dfe8366078cbedfdf7f96472c","name":"https://github.com/rclone/rclone/commit/1df2b70753286c1dfe8366078cbedfdf7f96472c","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/rclone/rclone/releases/tag/v1.75.0","name":"https://github.com/rclone/rclone/releases/tag/v1.75.0","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-71311","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71311","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"rclone","product":"rclone","version":"affected < 1.75.0","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"rclone","vendor":"rclone","versions":[{"status":"affected","version":"< 1.75.0"}]}],"descriptions":[{"lang":"en","value":"rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.0, a valid but nondefault FTP filename encoding in backend/ftp/ftp.go can restore raw CR/LF immediately before an attacker-controlled path is interpolated into the line-oriented FTP control channel, and github.com/jlaffaye/ftp formats the argument through textproto.Conn.Cmd without rejecting CR or LF, allowing a filename such as victim CRLF DELE other-secret CRLF NOOP to inject an independent authenticated FTP command when the victim copies or syncs to a more-privileged FTP destination. This issue is fixed in 1.75.0."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-93","description":"CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-05T20:33:32.558Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/rclone/rclone/security/advisories/GHSA-8c48-q9wj-3w37","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rclone/rclone/security/advisories/GHSA-8c48-q9wj-3w37"},{"name":"https://github.com/rclone/rclone/commit/1df2b70753286c1dfe8366078cbedfdf7f96472c","tags":["x_refsource_MISC"],"url":"https://github.com/rclone/rclone/commit/1df2b70753286c1dfe8366078cbedfdf7f96472c"},{"name":"https://github.com/rclone/rclone/releases/tag/v1.75.0","tags":["x_refsource_MISC"],"url":"https://github.com/rclone/rclone/releases/tag/v1.75.0"}],"source":{"advisory":"GHSA-8c48-q9wj-3w37","discovery":"UNKNOWN"},"title":"rclone: FTP Command Arguments Permit CRLF Injection When Custom Encoding Preserves Newlines"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-71311","datePublished":"2026-08-05T20:33:32.558Z","dateReserved":"2026-08-05T18:14:42.064Z","dateUpdated":"2026-08-05T20:33:32.558Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-05 21:16:58","lastModifiedDate":"2026-08-05 21:16:58","problem_types":["CWE-93","CWE-93 CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"71311","Ordinal":"1","Title":"rclone: FTP Command Arguments Permit CRLF Injection When Custom ","CVE":"CVE-2026-71311","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"71311","Ordinal":"1","NoteData":"rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.0, a valid but nondefault FTP filename encoding in backend/ftp/ftp.go can restore raw CR/LF immediately before an attacker-controlled path is interpolated into the line-oriented FTP control channel, and github.com/jlaffaye/ftp formats the argument through textproto.Conn.Cmd without rejecting CR or LF, allowing a filename such as victim CRLF DELE other-secret CRLF NOOP to inject an independent authenticated FTP command when the victim copies or syncs to a more-privileged FTP destination. This issue is fixed in 1.75.0.","Type":"Description","Title":"rclone: FTP Command Arguments Permit CRLF Injection When Custom "}]}}}