CVE-2026-44827

Diffusers prior to 0.38.0 is vulnerable to silent remote code execution when loading pipelines from Hugging Face Hub without trust_remote_code. If custom_pipeline is not supplied, _resolve_custom_pipeline_and_cls formats None as None.py; a repository containing a None.py with a subclass of Diffus...

CVE-2026-45804

Diffusers CVE-2026-45804 describes a TOCTOU race in DiffusionPipeline.from_pretrained where two Hub fetches (config via hf_hub_download and a snapshot via snapshot_download) can resolve to different commits. An attacker could push commit B after the first check, causing the newer commit’s model_i...

CVE-2026-44513

Diffusers 0.38.0 fixes a trust_remote_code bypass in DiffusionPipeline.from_pretrained that allowed arbitrary remote code execution when using custom_pipeline or local snapshots. Root cause: the security gate was checked inside DiffusionPipeline.download(), but some code paths bypassed download()...