CVE-2026-14651 | connorskees grass up to 0.13.4 visitor denial of service (Issue 117 / EUVD-2026-41695)

A vulnerability marked as . The impacted element is the function grass_compiler::selector::extend/grass_compiler::evaluate::visitor. The manipulation leads to denial of service.

This vulnerability is listed as CVE-2026-14651. The attack must be carried out locally. In addition, an exploit is available.

The project maintainer explains: "DoS vulnerabilities are generally fine in Sass compilers -- they are trivially possible with recursive functions, infinite loops, nested mixins, etc. The description here is wrong. Compile time is not expected to be linear relative to the input, and the @extend algorithm is definitionally exponential."