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TI-2026-78646 Aliases CVE-2026-113738

Path traversal in Jackrong-llm-finetuning-guide weight_map handler

Priority MEDIUM 57CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

R6410418 Jackrong-llm-finetuning-guide is affected up to commit ef2b17f2798cd18cd85375080c35a58397ad0d09, and it uses a rolling release without version details. In extract_mtp_heads of qwen-mtp-gguf/scripts/qwen_mtp_gguf_pipeline.py, the shard_name argument allows path traversal (CWE-22). A remote attacker needs a user to interact to exploit it. A public exploit is disclosed and linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00406 35th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
R6410418Jackrong-llm-finetuning-guideef2b17f2798cd18cd85375080c35a58397ad0d09—No fix listedCNA
  • Jackrong-llm-finetuning-guide VendorR6410418 Affected ef2b17f2798cd18cd85375080c35a58397ad0d09 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:r6410418:jackrong-llm-finetuning-guide:*:*:*:*:*:*:*:*——R6410418
  • cpe:2.3:a:r6410418:jackrong-llm-finetuning-guide:*:*:*:*:*:*:*:* Versions — — ·R6410418

Remediation

The sources list no fixed version for R6410418 Jackrong-llm-finetuning-guide.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-113738
  2. 2026-10-28 CISA SSVC decision points changed
  3. 2026-10-28 Priority changed: LOW → MEDIUM

References

Exploit 1

Other 2

  • TI-2026-78645 Path traversal in Jackrong-llm-finetuning-guide via weight_map CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences