CVE-2026-44827: Diffusers is the a library for pretrained diffusion models

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HIGH 8.8UPGRADE

CVE-2026-44827 is a high-severity flaw (CVSS 8.8) affecting diffusers. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Diffusers is the a library for pretrained diffusion models. Prior to 0.38.0, diffusers 0.37.0 allows remote code execution without the trust_remote_code=True safeguard when loading pipelines from Hugging Face Hub repositories. The _resolve_custom_pipeline_and_cls function in pipeline_loading_utils.py performs string interpolation on the custom_pipeline parameter using f"{custom_pipeline}.py". When custom_pipeline is not supplied by the user, it

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-94
Published	2026-05-14
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: huggingface

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-14 17:16 UTCPublished CVE record published
2026-10-26 14:10 UTCUpdated Record last modified

huggingface diffusers UPGRADE

Affected: < 0.38.0

Fixed in: 0.38.0

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show diffusers

2. UPGRADE to 0.38.0

pip install --upgrade "diffusers>=0.38.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-44827?

diffusers: upgrade to 0.38.0. Exact commands for each OS are on this page.

Is CVE-2026-44827 being exploited?

CVE-2026-44827 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-44827 affect?

CVE-2026-44827 affects diffusers. Severity is high (CVSS 8.8). Diffusers is the a library for pretrained diffusion models. Prior to 0.38.0, diffusers 0.37.0 allows remote code execution without the trust_remote_code=True safeguard when loading pipelines from Hugging Face Hub repositories. The _resolve

How urgent is CVE-2026-44827?

Priority 49/100. High severity; Public exploit reference

Related CVEs

CVE-2026-44513 HIGH 8.8 UPGRADE Diffusers is the a library for pretrained diffusion models
CVE-2026-45804 HIGH 7.5 UPGRADE Diffusers is the a library for pretrained diffusion models

References

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