SakanaAI text-to-LoRA 0.0.1 Checkpoint Loading model_loading.py get_tokenizer base_model_name_or_path path traversal

Summaryinfo

A vulnerability classified as critical has been found in SakanaAI text-to-LoRA 0.0.1. This affects the function get_tokenizer of the file src/hyper_llm_modulator/utils/model_loading.py of the component Checkpoint Loading. The manipulation of the argument base_model_name_or_path leads to path traversal. This vulnerability is referenced as CVE-2026-126996. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, has been found in SakanaAI text-to-LoRA 0.0.1. This issue affects the function get_tokenizer of the file src/hyper_llm_modulator/utils/model_loading.py of the component Checkpoint Loading. The manipulation of the argument base_model_name_or_path with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-126996. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• SakanaAI

Name

• text-to-LoRA

Version

• 0.0.1

Website

• Product: https://github.com/SakanaAI/text-to-lora/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #1040637: SakanaAI text-to-LoRA 0.0.1 (commit 8ba77493eb8c), vulnerable code unchanged on the main branch as of 2026-10-16 Path Traversal (by Dem000)

Be aware that VulDB is the high quality source for vulnerability data.

Discussion