# CVE-2026-65920: Diffusers Path Traversal via weight_map Arbitrary File Read

> CVE-2026-65920: Diffusers Path Traversal via weight_map Arbitrary File Read. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-65920
Last updated: 2026-10-24T13:10:00Z

- Published: 2026-07-23 17:43 UTC · Updated: 2026-10-24 13:10 UTC · Assigner: VulnCheck
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- EPSS: 0.40%, 34th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-22

## Description

Diffusers through 0.39.0, fixed in commit cee298c, contains a path traversal vulnerability in the \_get\_checkpoint\_shard\_files function that allows attackers to read arbitrary files by supplying malicious weight\_map values in model index JSON. Attackers can use ../ sequences or absolute paths in weight\_map entries to escape the model directory and read safetensors files outside the intended location during model loading.

## Affected vendors and products

- huggingface: diffusers

## Tracked companies

- [Hugging Face](https://rewindex.com/company/hugging-face.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-65920)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-65920)
- [https://github.com/huggingface/diffusers/commit/cee298c1f37c439a9a408396b8283a921238a1c6](https://github.com/huggingface/diffusers/commit/cee298c1f37c439a9a408396b8283a921238a1c6)
- [https://github.com/huggingface/diffusers/issues/14175](https://github.com/huggingface/diffusers/issues/14175)
- [https://github.com/huggingface/diffusers/pull/14182](https://github.com/huggingface/diffusers/pull/14182)
- [https://www.vulncheck.com/advisories/diffusers-path-traversal-via-weight-map-arbitrary-file-read](https://www.vulncheck.com/advisories/diffusers-path-traversal-via-weight-map-arbitrary-file-read)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-65920 · Markdown: https://rewindex.com/cve/CVE-2026-65920.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-65920 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:12:20.901Z