CVE-2026-111985: medium-severity vulnerability in AUTOMATIC1111 stable-diffusion-webui
AUTOMATIC1111 stable-diffusion-webui Metadata Extraction sd_models.py read_metadata_from_safetensors allocation of resources
Published · Updated
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.4%
exploitation probability
0.4%top 63% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
AUTOMATIC1111 · stable-diffusion-webuipublic PoCs found — 1
cve_referencegithub.com/user-attachments/files/32811560/poc.zipunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — AUTOMATIC1111 stable-diffusion-webui
In the same product, most dangerous first.
CVE-2024-31462MEDIUMLimited file write in Stable-diffusion-webui - GHSL-2024-010EPSS 0.7%CVE-2026-82288HIGHStable Diffusion WebUI Credential Disclosure via /sdapi/v1/cmd-flagsEPSS 0.4%CVE-2026-111984MEDIUMAUTOMATIC1111 stable-diffusion-webui Card Builder ui_extra_networks.py create_item_html cross site scriptingEPSS 0.4%CVE-2026-111987MEDIUMAUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scriptingEPSS 0.4%CVE-2026-111986MEDIUMAUTOMATIC1111 stable-diffusion-webui Model Instantiation sd_models.py get_obj_from_str code injectionEPSS 0.3%
References
https://github.com/AUTOMATIC1111/stable-diffusion-webui/https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17498https://github.com/user-attachments/files/32811560/poc.ziphttps://vuldb.com/cve/CVE-2026-111985https://vuldb.com/submit/1005484https://vuldb.com/vuln/421651https://vuldb.com/vuln/421651/cti