CVE-2026-113738: R6410418 Jackrong-llm-finetuning-guide MTP weight_map qwen_mtp_gguf_pipeline.py extract_mtp_heads path traversal

A vulnerability has been found in R6410418 Jackrong-llm-finetuning-guide up to ef2b17f2798cd18cd85375080c35a58397ad0d09. This vulnerability affects the function extractmtpheads of the file qwen-mtp-gguf/scripts/qwenmtpggufpipeline.py of the component MTP weightmap Handler. The manipulation of the argument shardname leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.