{"id":"CVE-2026-48711","aliases":["ALPINE-CVE-2026-48711","AZL-97014","DEBIAN-CVE-2026-48711","EUVD-2026-62494","GHSA-mm85-q63v-4476","UBUNTU-CVE-2026-48711","openSUSE-SU-2026:10952-1","openSUSE-SU-2026:20915-1"],"status":"published","title":"SSHFS: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00236,"percentile":0.14762,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-88"],"published":"2026-06-03T00:00:00Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Alpine:v3.20","package":"sshfs","fixed_in":["3.7.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"sshfs","fixed_in":["3.7.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"sshfs","fixed_in":["3.7.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"sshfs","fixed_in":["3.7.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"sshfs","fixed_in":["3.7.6-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"sshfs-fuse","fixed_in":["3.7.3-1.2~deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"sshfs-fuse","fixed_in":["3.7.3-1.2~deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"sshfs-fuse","fixed_in":["3.7.3-1.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.20","package":"sshfs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"sshfs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"sshfs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"sshfs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"sshfs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.6-r0"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"fuse-sshfs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.7.3-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-1.2~deb12u1"}]}],"versions":["3.7.3-1.1"]},{"source":"osv","ecosystem":"Debian:13","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-1.2~deb13u1"}]}],"versions":["3.7.3-1.1","3.7.3-1.2~deb12u1"]},{"source":"osv","ecosystem":"Debian:14","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-1.2"}]}],"versions":["3.7.3-1.1","3.7.3-1.2~deb12u1","3.7.3-1.2~deb13u1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10+repack-2","3.6.0+repack-1","3.6.0+repack+really2.10-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.0+repack+really2.10-0ubuntu1","3.7.1+repack-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.7.3-1.1build1","3.7.3-1.1build2","3.7.3-1.1build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.7.3-1.1build3","3.7.3-1.1build4"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.7.3-1.1build5","3.7.3-1.2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"sshfs-fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.7.3-1.1build4","3.7.3-1.1build5"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"sshfs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.6-1.1"}]}],"bundled":2}],"products":[{"vendor":"libfuse","product":"sshfs"}],"references":[{"url":"https://github.com/libfuse/sshfs/security/advisories/GHSA-mm85-q63v-4476","tags":["x_refsource_CONFIRM","advisory","report"]},{"url":"https://github.com/libfuse/sshfs/pull/362","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/libfuse/sshfs/commit/29bb565ea6405e2dd5a0ea65fe64da117e76055e","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/libfuse/sshfs/releases/tag/sshfs-3.7.6","tags":["x_refsource_MISC","web"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-48711","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48711","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48711.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-48711","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-48711","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-48711","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2026/05/30/3","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47187","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48711","tags":["web"]},{"url":"https://bugzilla.suse.com/1267016","tags":["report"]},{"url":"https://bugzilla.suse.com/1267017","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-48711","title":"SSHFS: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","status":"published","published":"2026-08-19T14:42:50.094Z","modified":"2026-08-20T18:28:58.771Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T13:50:49.872037Z"}],"euvd":[{"id":"EUVD-2026-62494","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","status":"published","published":"2026-08-19T14:42:50Z","modified":"2026-08-20T18:28:58Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:38.846525Z"}],"nvd":[{"id":"CVE-2026-48711","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","status":"published","published":"2026-08-19T15:17:05.58Z","modified":"2026-09-09T21:13:25.91Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:12:39.962615Z"}],"osv":[{"id":"ALPINE-CVE-2026-48711","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","status":"published","published":"2026-08-19T15:17:05.58Z","modified":"2026-10-01T02:17:49.321573475Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:50.764331Z"},{"id":"CVE-2026-48711","title":"SSHFS: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","status":"published","published":"2026-08-19T14:42:50.094Z","modified":"2026-10-28T10:51:50.906382303Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T15:45:06.701612Z"},{"id":"DEBIAN-CVE-2026-48711","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","status":"published","published":"2026-08-19T15:17:05.58Z","modified":"2026-10-01T03:03:24.795594087Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"UBUNTU-CVE-2026-48711","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","status":"published","published":"2026-08-19T15:17:00Z","modified":"2026-10-17T12:58:30.708946067Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:33.391918Z"},{"id":"AZL-97014","title":"CVE-2026-48711 affecting package fuse-sshfs 3.7.3-1","description":"SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 until 3.7.6, SSHFS accepts a bracketed mount source such as [-oProxyCommand=CMD]:/path and find_base_path() removes the brackets, leaving a host value that begins with - and is passed directly to ssh as a command-line argument. When a caller also supplies a path-valued sftp_server, ssh treats the normalized host as an option and the server path as its destination, causing an injected ProxyCommand to execute locally before any connection or authentication succeeds. The attack requires a caller or wrapper that passes an attacker-controlled mount source to SSHFS with the required sftp_server configuration and results in arbitrary command execution as the user running SSHFS. This issue is fixed in version 3.7.6.","status":"published","published":"2026-08-19T15:17:05Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:26.280152Z"},{"id":"openSUSE-SU-2026:10952-1","title":"sshfs-3.7.6-1.1 on GA media","description":"These are all security issues fixed in the sshfs-3.7.6-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-03T00:00:00Z","modified":"2026-06-04T09:00:10.043559952Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:20915-1","title":"Security update for sshfs","description":"This update for sshfs fixes the following issues:\n\nChanges in sshfs:\n\n- Update to 3.7.6:\n  - Added new maintainer: abhinavagarwal07 Abhinav Agarwal\n  - CVE-2026-47187: Fixed critical vulnerability - Symlink\n    Escape: Rogue SFTP Server to Local File Read/Write), credit\n    to abhinavagarwal07 (bsc#1267017)\n  - New -o contain_symlinks and -o no_contain_symlinks to control\n    symlink containment behavior\n  - CVE-2026-48711: Fixed high severity vulnerability - Improper\n    Neutralization of Argument Delimiters in a Command ('Argument\n    Injection'), credit to abhinavagarwal07 (bsc#1267016)\n  - Fixed null-deref warning in tokenize_on_space, promote\n    strict-warnings to required\n  - Added a number of tests in CI, including rename, chmod,\n    fsync, statvfs values, error paths, option coverage\n  - Fixed malformed SFTP reply handling\n\n- Update to 3.7.5:\n  * Implement connect to vsock\n  * use latest major version for actions/checkout\n  * Fix memleak in cache after readlink\n  * Fill stat info when returning cached data for readdir\n  * ipv6 support for directport connection\n- reverts to original fork\n\n- Don't globstar files in shared directory _bindir.\n\n- build the man page\n","status":"published","published":"2026-06-05T21:40:06Z","modified":"2026-06-09T09:00:07.240799459Z","updated_at":"2026-11-02T16:58:41.885092Z"}]}}