rclone archive/zip: Zip Slip via unsanitized zip entry names lets a malicious archive escape its own namespace
rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.72.0 until 1.75.1, the archive ZIP backend method (*Fs).readZip in backend/archive/zip/zip.go accepts archive/zip.File.Name values from an untrusted central directory and exposes cleaned entry names without ensuring that they remain inside the archive namespace. Entries such as ../../etc/cron.d/evil can survive path.Clean and become Object.Remote() values that fs/sync and fs/operations use as destination-relative paths, allowing rclone copy or sync to write outside the selected destination on backends that do not independently confine the path. The non-empty root check also used strings.HasPrefix without a path boundary, so root foo could incorrectly include sibling foobar entries. This issue is fixed in version 1.75.1.
BIT-rclone-2026-88014
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:BIT-rclone-2026-88014
rclone
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.75.1
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "1.72.0"
},
{
"fixed": "1.75.1"
}
]
}
],
"package": {
"name": "rclone",
"purl": "pkg:bitnami/rclone",
"ecosystem": "Bitnami"
},
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N"
}
],
"database_specific": {
"source": "https://github.com/bitnami/vulndb/tree/main/data/rclone/BIT-rclone-2026-88014.json"
}
}
]- Related CVEs
- CVE-2026-88014
Source reference:
/aliases
Publisher severity
medium
Source reference: /database_specific/severity
- Event
- #10908 · Revision 1
- Added to Heist Feed
- Publisher date