CVE-2026-45804
Prior to 0.38.0, Diffusers' DiffusionPipeline.from_pretrained flow can bypass the trust_remote_code guard because download() validates model_index.json and custom pipeline code before later loading from a cached folder that can change, allowing a Hub…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Diffusers is the a library for pretrained diffusion models. Prior to 0.38.0, Diffusers' DiffusionPipeline.from_pretrained flow can bypass the trust_remote_code guard because download() validates model_index.json and custom pipeline code before later loading from a cached folder that can change, allowing a Hub repository with custom .py pipeline code to execute through the custom pipeline flow without passing custom_pipeline or trust_remote_code=True. This issue is fixed in version 0.38.0.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.38% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-367
- Affected
- huggingface/diffusers
- Source
- security-advisories@github.com
References
- https://github.com/huggingface/diffusers/commit/a37f6f8394ac2a7ee8360c3abea811efe54512b1Patch
- https://github.com/huggingface/diffusers/issues/13446Issue Tracking, Exploit
- https://github.com/huggingface/diffusers/pull/13448Issue Tracking
- https://github.com/huggingface/diffusers/releases/tag/v0.38.0Release Notes
- https://github.com/huggingface/diffusers/security/advisories/GHSA-7wx4-6vff-v64pVendor Advisory, Exploit
- https://github.com/huggingface/diffusers/issues/13446Issue Tracking, Exploit
- https://github.com/huggingface/diffusers/security/advisories/GHSA-7wx4-6vff-v64pVendor Advisory, Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.