CVE-2026-47187
SSHFS symlink handling lets a malicious SFTP server read/write client local files.
Is CVE-2026-47187 being exploited?
Not confirmed. CVE-2026-47187 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.41% probability of exploitation in the next 30 days.
How severe is CVE-2026-47187?
CVE-2026-47187 is rated Critical. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-47187?
Yes. A fix has been recorded for CVE-2026-47187. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-47187 affect?
CVE-2026-47187 affects SSHFS < 3.7.6, Linux systems using FUSE/sshfs mounts, Clients using cp/rsync/editors/backup tools on mounts. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-47187?
Upgrade sshfs to 3.7.6+ and avoid mounting untrusted SFTP servers.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote SFTP server can force client kernel to resolve server-supplied symlinks, causing local file disclosure and server-controlled writes (data exfiltration, persistence).
Immediate action required
- affected< 3.7.6
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.