rclone — security advisory
rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, when backend/local runs with --links, a source .rclonelink object can plant a symlink in the destination and later directory metadata is applied through that path. MkdirMetadata, writeMetadataToFile, and setTimes operate when Directory.translatedLink=false, so os.Chown, os.Chmod, os.Chtimes, and birth-time handling can bypass os.Root confinement and follow the symlink. An attacker controlling source contents can therefore apply selected ownership, permissions, modification times, or birth times to a file or directory outside the destination, with --metadata required for chmod and chown while modification time is applied by the normal directory workflow. This issue is fixed in version 1.75.1.
- 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-2026-88016
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:29 UTC · Revision 1
Source evidence
rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, when backend/local runs with --links, a source .rclonelink object can plant a symlink in the destination and later directory metadata is applied through that path. MkdirMetadata, writeMetadataToFile, and setTimes operate when Directory.translatedLink=false, so os.Chown, os.Chmod, os.Chtimes, and birth-time handling can bypass os.Root confinement and follow the symlink. An attacker controlling source contents can therefore apply selected ownership, permissions, modification times, or birth times to a file or directory outside the destination, with --metadata required for chmod and chown while modification time is applied by the normal directory workflow. This issue is fixed in version 1.75.1.
osv:UBUNTU-CVE-2026-88016
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": "d70370d5586410a079ec57be3fc5987cc4ea0ffa0231debaaa3d9ec9313c92e5",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-88016",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-88016",
"summary": "rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, when backend/local runs with --links, a source .rclonelink object can plant a symlink in the destination and later directory metadata is applied through that path. MkdirMetadata, writeMetadataToFile, and setTimes operate when Directory.translatedLink=false, so os.Chown, os.Chmod, os.Chtimes, and birth-time handling can bypass os.Root confinement and follow the symlink. An attacker controlling source contents can therefore apply selected ownership, permissions, modification times, or birth times to a file or directory outside the destination, with --metadata required for chmod and chown while modification time is applied by the normal directory workflow. This issue is fixed in version 1.75.1.",
"evidence": "osv:UBUNTU-CVE-2026-88016",
"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": "high",
"structured": {
"id": "UBUNTU-CVE-2026-88016",
"aliases": [
"UBUNTU-CVE-2026-88016"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L"
},
{
"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-2026-88016.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-2026-88016.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-2026-88016.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",
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{
"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-2026-88016.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",
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{
"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-2026-88016.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-2026-88016.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": "2026-10-17T13:01:15.025966184Z",
"provider": "osv",
"upstream": [
"CVE-2026-88016"
],
"references": [
"https://ubuntu.com/security/CVE-2026-88016",
"https://www.cve.org/CVERecord?id=CVE-2026-88016",
"https://github.com/rclone/rclone/security/advisories/GHSA-f8g7-2xjc-7mfh"
]
},
"related_cves": [
{
"value": "CVE-2026-88016",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 361375,
"published_at": "2026-09-10T16:18:00+00:00"
}