Vulnerability · Published Oct 21, 2026 · Assigned by VulDB
CVE-2026-113738R6410418 Jackrong-llm-finetuning-guide MTP weight_map qwen_mtp_gguf_pipeline.py extract_mtp_heads path traversal
Medium 6.3
In plain English
A medium-severity path traversal in Jackrong-llm-finetuning-guide from R6410418. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Official description
A vulnerability has been found in R6410418 Jackrong-llm-finetuning-guide up to ef2b17f2798cd18cd85375080c35a58397ad0d09. This vulnerability affects the function extract_mtp_heads of the file qwen-mtp-gguf/scripts/qwen_mtp_gguf_pipeline.py of the component MTP weight_map Handler. The manipulation of the argument shard_name 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| R6410418 | Jackrong-llm-finetuning-guide | ef2b17f2798cd18cd85375080c35a58397ad0d09 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
References
- VDB-422910 | R6410418 Jackrong-llm-finetuning-guide MTP weight_map qwen_mtp_gguf_pipeline.py extract_mtp_heads path traversal vdb-entry, technical-description
- VDB-422910 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-113738 | CVE Analysis and Report third-party-advisory
- Submit #1016281 | R6410418 Jackrong-llm-finetuning-guide commit ef2b17f2798c Path Traversal third-party-advisory
- https://github.com/R6410418/Jackrong-llm-finetuning-guide/issues/16 issue-tracking
- https://github.com/user-attachments/files/33115067/poc.zip exploit
- https://github.com/R6410418/Jackrong-llm-finetuning-guide/ product