Is CVE-2026-61504 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-61504?

CVE-2026-61504 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-61504

Description

Rejetto HFS 3.0.0 through 3.2.0 does not escape file names in its fallback "basic" web listing, and this listing can be forced by any browser via the ?get=basic parameter. A user with upload permission - or an anonymous user on servers with an open upload folder - can store a file whose name contains script that executes in the browser of anyone viewing the listing.