CVE-2026-18581 | ggml-org llama.cpp e15efe0 Jinja Minja Template Parser common/jinja/parser.cpp assertion (Issue 25282)

A vulnerability, which was classified as problematic, was found in ggml-org llama.cpp e15efe0. Affected by this issue is some unknown functionality of the file common/jinja/parser.cpp of the component Jinja Minja Template Parser. Executing a manipulation with the input {{9|9|{ can lead to reachable assertion.

This vulnerability appears as CVE-2026-18581. The attack requires local access. In addition, an exploit is available.

The project was informed of the problem early through an issue report but has not responded yet.