Medium
rclone — security advisory
rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.49.0 until 1.75.1, the HTTP backend attaches headers configured through --http-headers or headers= to requests in backend/http/http.go, while its fshttp.NewClient client follows redirects without a backend-specific http.Client.CheckRedirect policy. A configured remote that redirects to another host can therefore cause custom secrets such as X-Api-Key to be resent to that untrusted destination, and a same-host HTTPS-to-HTTP redirect can expose Authorization or Cookie headers in cleartext. Listing, stat, download, mount, and serve operations can trigger the leak during normal use. 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-2026-88013
- 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. From 1.49.0 until 1.75.1, the HTTP backend attaches headers configured through --http-headers or headers= to requests in backend/http/http.go, while its fshttp.NewClient client follows redirects without a backend-specific http.Client.CheckRedirect policy. A configured remote that redirects to another host can therefore cause custom secrets such as X-Api-Key to be resent to that untrusted destination, and a same-host HTTPS-to-HTTP redirect can expose Authorization or Cookie headers in cleartext. Listing, stat, download, mount, and serve operations can trigger the leak during normal use. This issue is fixed in version 1.75.1.
osv:UBUNTU-CVE-2026-88013
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": "b85eac00f5dae6d608f11f295caec58318a0489b97e65e28e45897ab8ea80043",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-88013",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-88013",
"summary": "rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.49.0 until 1.75.1, the HTTP backend attaches headers configured through --http-headers or headers= to requests in backend/http/http.go, while its fshttp.NewClient client follows redirects without a backend-specific http.Client.CheckRedirect policy. A configured remote that redirects to another host can therefore cause custom secrets such as X-Api-Key to be resent to that untrusted destination, and a same-host HTTPS-to-HTTP redirect can expose Authorization or Cookie headers in cleartext. Listing, stat, download, mount, and serve operations can trigger the leak during normal use. This issue is fixed in version 1.75.1.",
"evidence": "osv:UBUNTU-CVE-2026-88013",
"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": [],
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"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"
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{
"value": "1.53.3-4ubuntu1.22.04.3+esm1",
"evidence": "/affected/2/versions"
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{
"value": "1.53.3-4ubuntu1.22.04.4",
"evidence": "/affected/2/versions"
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{
"value": "1.53.3-4ubuntu1.22.04.4+esm1",
"evidence": "/affected/2/versions"
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{
"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-2026-88013",
"aliases": [
"UBUNTU-CVE-2026-88013"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"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-2026-88013.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-2026-88013.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": [
{
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}
]
}
],
"package": {
"name": "rclone",
"purl": "pkg:deb/ubuntu/rclone?arch=source&distro=esm-apps%2Fjammy",
"ecosystem": "Ubuntu:Pro:22.04:LTS"
},
"versions": [
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"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-2026-88013.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"
}
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{
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{
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"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-2026-88013.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": [
{
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{
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}
]
}
],
"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": {
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},
"ecosystem_specific": {
"binaries": [
{
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"binary_version": "1.69.3+dfsg-3ubuntu1"
},
{
"binary_name": "rclone",
"binary_version": "1.69.3+dfsg-3ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"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-2026-88013.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": "2026-10-17T13:01:15.224997809Z",
"provider": "osv",
"upstream": [
"CVE-2026-88013"
],
"references": [
"https://ubuntu.com/security/CVE-2026-88013",
"https://www.cve.org/CVERecord?id=CVE-2026-88013",
"https://github.com/rclone/rclone/security/advisories/GHSA-486v-q2wf-fp2r"
]
},
"related_cves": [
{
"value": "CVE-2026-88013",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 361383,
"published_at": "2026-09-10T16:18:00+00:00"
}