# CVE-2026-126996: SakanaAI text-to-LoRA Checkpoint Loading model_loading.py get_tokenizer path traversal

Status: published. Published: 2026-11-12. Updated: 2026-11-12.

A vulnerability was determined in SakanaAI text-to-LoRA 0.0.1. Affected by this issue is the function get_tokenizer of the file src/hyper_llm_modulator/utils/model_loading.py of the component Checkpoint Loading. Executing a manipulation of the argument base_model_name_or_path can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- SakanaAI / text-to-LoRA: 0.0.1 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 6.3 (medium); 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; source: CNA: VulDB

- CVSS 3.0: 6.3 (medium); CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-22

## Exploit evidence

- exploit: https://github.com/user-attachments/files/33599890/poc.zip (CNA: VulDB)

## References

- https://vuldb.com/vuln/436295 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/436295/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-126996 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1040637 (CNA: VulDB; third-party-advisory)

- https://github.com/SakanaAI/text-to-lora/issues/13 (CNA: VulDB; issue-tracking)

- https://github.com/user-attachments/files/33599890/poc.zip (CNA: VulDB; exploit)

- https://github.com/SakanaAI/text-to-lora/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-126996; retrieved 2026-11-12; source updated 2026-11-12

Revision: 9c01eb3a15fbfb3c145de13b27257f526238af785a3f8ace4f8e1fb355e619d7

Canonical: https://y2.dev/cve/CVE-2026-126996

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.