CVE-2026-111987

medium

Description

A vulnerability was identified in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. Affected by this vulnerability is the function read_metadata_from_safetensors of the file modules/sd_models.py of the component Extra-Networks Card Builder. Such manipulation of the argument __metadata__.sshs_model_hash leads to cross site scripting. The attack can be launched remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

References

https://vuldb.com/vuln/421653/cti

https://vuldb.com/vuln/421653

https://vuldb.com/submit/1006710

https://vuldb.com/cve/CVE-2026-111987

https://github.com/user-attachments/files/32834382/a1111-sshs-hash-poc.zip

https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17500

https://github.com/AUTOMATIC1111/stable-diffusion-webui/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-103507

Details

Source: Mitre, NVD

Published: 2026-10-18

Updated: 2026-10-19

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00353