Resource exhaustion in Automatic1111 Stable-Diffusion-Webui
CVE-2026-111985
A vulnerability was found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. This impacts the function read_metadata_from_safetensors of the file modules/sd_models.py of the component Metadata Extraction. The manipulation of the argument header length field results in allocation of resources. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: DoS (Denial of Service)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Automatic1111 Stable-Diffusion-Webui — versions 1.10.0, 1.10.1
Weakness classification (CWE)
References
- github.com/AUTOMATIC1111/stable-diffusion-webui/ (product)
- github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17498 (issue-tracking)
- github.com/user-attachments/files/32811560/poc.zip (exploit)
- vuldb.com/cve/CVE-2026-111985 (third-party-advisory)
- vuldb.com/submit/1005484 (third-party-advisory)
- vuldb.com/vuln/421651 (technical-description, vdb-entry)
- vuldb.com/vuln/421651/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-111985?
- CVE-2026-111985 is a medium-severity vulnerability in Automatic1111 Stable-Diffusion-Webui, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-10-18.
- How severe is CVE-2026-111985?
- Medium severity. CVSS v3 base score is 4.3 out of 10.