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rclone — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2026-71311

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.

Products
rclone
Affected versions
1.36-3, 1.36-3ubuntu0.1, 1.36-3ubuntu0.2, 1.47.0+ex1-6, 1.47.0+ex1-7, 1.49.5-2, 1.49.5-3, 1.50.2-2, 1.50.2-2ubuntu0.1, 1.50.2-2ubuntu0.2, 1.50.2-2ubuntu0.2+esm1, 1.53.3-1, 1.53.3-2, 1.53.3-4, 1.53.3-4ubuntu1, 1.53.3-4ubuntu1.22.04.1, 1.53.3-4ubuntu1.22.04.2, 1.53.3-4ubuntu1.22.04.3, 1.53.3-4ubuntu1.22.04.3+esm1, 1.53.3-4ubuntu1.22.04.4, 1.53.3-4ubuntu1.22.04.4+esm1, 1.53.3-4ubuntu1.22.04.5, 1.53.3-4ubuntu1.22.04.5+esm1, 1.60.1+dfsg-2build1, 1.60.1+dfsg-3, 1.60.1+dfsg-3ubuntu0.24.04.1, 1.60.1+dfsg-3ubuntu0.24.04.2, 1.60.1+dfsg-3ubuntu0.24.04.3, 1.60.1+dfsg-3ubuntu0.24.04.4, 1.60.1+dfsg-3ubuntu0.24.04.4+esm1, 1.60.1+dfsg-3ubuntu0.24.04.5, 1.60.1+dfsg-3ubuntu0.24.04.5+esm1, 1.60.1+dfsg-3ubuntu0.24.04.6, 1.60.1+dfsg-3ubuntu0.24.04.6+esm1, 1.60.1+dfsg-4ubuntu2, 1.60.1+dfsg-4ubuntu3, 1.60.1+dfsg-4ubuntu3.1, 1.60.1+dfsg-4ubuntu3.1+esm1, 1.60.1+dfsg-4ubuntu3.2, 1.60.1+dfsg-4ubuntu3.2+esm1, 1.69.3+dfsg-3, 1.69.3+dfsg-3ubuntu1
Fixed versions
Not specified
CVEs
CVE-2026-71311
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 03:14 UTC · Revision 1

Source evidence

UBUNTU-CVE-2026-71311

core-osv · Original source

Published 5 Aug 2026, 21:16 UTC

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.

osv:UBUNTU-CVE-2026-71311

rclone

Fixed versions: Not specified

rclone

Fixed versions: Not specified

rclone

Fixed versions: Not specified

rclone

Fixed versions: Not specified

rclone

Fixed versions: Not specified

rclone

Fixed versions: Not specified

Complete source record
{
  "id": "83534552cdbf84e3a7f8086c4e72ea2cd2f1e2806805576e7a0f43f88de7bdea",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-71311",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2026-71311",
    "summary": "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.",
    "evidence": "osv:UBUNTU-CVE-2026-71311",
    "products": [
      {
        "name": {
          "value": "rclone",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.36-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.36-3ubuntu0.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.36-3ubuntu0.2",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "rclone",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.47.0+ex1-6",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.47.0+ex1-7",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.49.5-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.49.5-3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.50.2-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.50.2-2ubuntu0.1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.50.2-2ubuntu0.2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.50.2-2ubuntu0.2+esm1",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "rclone",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.53.3-1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1.22.04.1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1.22.04.2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1.22.04.3",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1.22.04.3+esm1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1.22.04.4",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1.22.04.4+esm1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1.22.04.5",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1.53.3-4ubuntu1.22.04.5+esm1",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "rclone",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.60.1+dfsg-2build1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.3",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.4",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.4+esm1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.5",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.5+esm1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.6",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.60.1+dfsg-3ubuntu0.24.04.6+esm1",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "rclone",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.60.1+dfsg-4ubuntu3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "1.69.3+dfsg-3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "1.69.3+dfsg-3ubuntu1",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
          "value": "rclone",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.60.1+dfsg-4ubuntu2",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1.60.1+dfsg-4ubuntu3",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1.60.1+dfsg-4ubuntu3.1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1.60.1+dfsg-4ubuntu3.1+esm1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1.60.1+dfsg-4ubuntu3.2",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1.60.1+dfsg-4ubuntu3.2+esm1",
            "evidence": "/affected/5/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2026-71311",
      "aliases": [
        "UBUNTU-CVE-2026-71311"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rclone",
            "purl": "pkg:deb/ubuntu/rclone?arch=source&distro=bionic",
            "ecosystem": "Ubuntu:18.04:LTS"
          },
          "versions": [
            "1.36-3",
            "1.36-3ubuntu0.1",
            "1.36-3ubuntu0.2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71311.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-ncw-rclone-dev",
                "binary_version": "1.36-3ubuntu0.2"
              },
              {
                "binary_name": "rclone",
                "binary_version": "1.36-3ubuntu0.2"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rclone",
            "purl": "pkg:deb/ubuntu/rclone?arch=source&distro=esm-apps%2Ffocal",
            "ecosystem": "Ubuntu:Pro:20.04:LTS"
          },
          "versions": [
            "1.47.0+ex1-6",
            "1.47.0+ex1-7",
            "1.49.5-2",
            "1.49.5-3",
            "1.50.2-2",
            "1.50.2-2ubuntu0.1",
            "1.50.2-2ubuntu0.2",
            "1.50.2-2ubuntu0.2+esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71311.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-rclone-rclone-dev",
                "binary_version": "1.50.2-2ubuntu0.2+esm1"
              },
              {
                "binary_name": "rclone",
                "binary_version": "1.50.2-2ubuntu0.2+esm1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rclone",
            "purl": "pkg:deb/ubuntu/rclone?arch=source&distro=esm-apps%2Fjammy",
            "ecosystem": "Ubuntu:Pro:22.04:LTS"
          },
          "versions": [
            "1.53.3-1",
            "1.53.3-2",
            "1.53.3-4",
            "1.53.3-4ubuntu1",
            "1.53.3-4ubuntu1.22.04.1",
            "1.53.3-4ubuntu1.22.04.2",
            "1.53.3-4ubuntu1.22.04.3",
            "1.53.3-4ubuntu1.22.04.3+esm1",
            "1.53.3-4ubuntu1.22.04.4",
            "1.53.3-4ubuntu1.22.04.4+esm1",
            "1.53.3-4ubuntu1.22.04.5",
            "1.53.3-4ubuntu1.22.04.5+esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71311.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-rclone-rclone-dev",
                "binary_version": "1.53.3-4ubuntu1.22.04.5+esm1"
              },
              {
                "binary_name": "rclone",
                "binary_version": "1.53.3-4ubuntu1.22.04.5+esm1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rclone",
            "purl": "pkg:deb/ubuntu/rclone?arch=source&distro=esm-apps%2Fnoble",
            "ecosystem": "Ubuntu:Pro:24.04:LTS"
          },
          "versions": [
            "1.60.1+dfsg-2build1",
            "1.60.1+dfsg-3",
            "1.60.1+dfsg-3ubuntu0.24.04.1",
            "1.60.1+dfsg-3ubuntu0.24.04.2",
            "1.60.1+dfsg-3ubuntu0.24.04.3",
            "1.60.1+dfsg-3ubuntu0.24.04.4",
            "1.60.1+dfsg-3ubuntu0.24.04.4+esm1",
            "1.60.1+dfsg-3ubuntu0.24.04.5",
            "1.60.1+dfsg-3ubuntu0.24.04.5+esm1",
            "1.60.1+dfsg-3ubuntu0.24.04.6",
            "1.60.1+dfsg-3ubuntu0.24.04.6+esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71311.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-rclone-rclone-dev",
                "binary_version": "1.60.1+dfsg-3ubuntu0.24.04.6+esm1"
              },
              {
                "binary_name": "rclone",
                "binary_version": "1.60.1+dfsg-3ubuntu0.24.04.6+esm1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rclone",
            "purl": "pkg:deb/ubuntu/rclone?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "1.60.1+dfsg-4ubuntu3",
            "1.69.3+dfsg-3",
            "1.69.3+dfsg-3ubuntu1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71311.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-rclone-rclone-dev",
                "binary_version": "1.69.3+dfsg-3ubuntu1"
              },
              {
                "binary_name": "rclone",
                "binary_version": "1.69.3+dfsg-3ubuntu1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rclone",
            "purl": "pkg:deb/ubuntu/rclone?arch=source&distro=esm-apps%2Fresolute",
            "ecosystem": "Ubuntu:Pro:26.04:LTS"
          },
          "versions": [
            "1.60.1+dfsg-4ubuntu2",
            "1.60.1+dfsg-4ubuntu3",
            "1.60.1+dfsg-4ubuntu3.1",
            "1.60.1+dfsg-4ubuntu3.1+esm1",
            "1.60.1+dfsg-4ubuntu3.2",
            "1.60.1+dfsg-4ubuntu3.2+esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71311.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-rclone-rclone-dev",
                "binary_version": "1.60.1+dfsg-4ubuntu3.2+esm1"
              },
              {
                "binary_name": "rclone",
                "binary_version": "1.60.1+dfsg-4ubuntu3.2+esm1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-17T13:00:45.301624639Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-71311"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2026-71311",
        "https://www.cve.org/CVERecord?id=CVE-2026-71311",
        "https://github.com/rclone/rclone/security/advisories/GHSA-8c48-q9wj-3w37",
        "https://github.com/rclone/rclone/commit/1df2b70753286c1dfe8366078cbedfdf7f96472c",
        "https://github.com/rclone/rclone/releases/tag/v1.75.0"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-71311",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 360819,
  "published_at": "2026-08-05T21:16:00+00:00"
}