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{"bugzilla": {"description": "github.com/rclone/rclone: rclone: Server-Side Command Execution via Malicious SFTP Filenames", "id": "2511773", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511773"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-78", "details": ["A flaw was found in rclone, a command-line program for syncing files. This vulnerability allows a remote attacker to execute arbitrary commands on the server when processing SFTP paths. By crafting a malicious filename that uses specific Unicode single-quote characters, an attacker can bypass security measures and inject PowerShell commands. This can lead to unauthorized command execution under the victim's SSH account during server-side hashing operations."], "mitigation": {"lang": "en:us", "value": "avoid connecting rclone to SFTP servers\nthat use PowerShell as their SSH command shell, or disable server-side hashing\nwith --sftp-disable-hashcheck. Do not process files from untrusted sources on\nSFTP remotes backed by PowerShell."}, "name": "CVE-2026-71312", "package_state": [{"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/volsync-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}], "public_date": "2026-08-05T20:37:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-71312\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-71312\nhttps://github.com/rclone/rclone/commit/e122fba1a57641b63a580aa26c026903a84e2e88\nhttps://github.com/rclone/rclone/releases/tag/v1.75.0\nhttps://github.com/rclone/rclone/security/advisories/GHSA-2m8m-jhrm-w6j2"], "statement": "This is an Important vulnerability in rclone, a command-line file synchronization program, that allows for server-side command execution. An attacker can craft malicious SFTP filenames containing Unicode smart quotes to inject and execute arbitrary PowerShell commands on the system running rclone. This occurs when server-side hashing operations are invoked, potentially leading to compromise of the victim's SSH account.", "threat_severity": "Important"}