CVE-2026-111987CWE-79CWE-94cross-site-scriptingcode-injection

CVE-2026-111987

Medium · published October 18, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
38.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
5.3 · 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/E:P
EPSS
0.00457 · 38.7th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-10-18T18:16Z
References (7)
https://github.com/AUTOMATIC1111/stable-diffusion-webui/ · [email protected]https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17500 · [email protected]https://github.com/user-attachments/files/32834382/a1111-sshs-hash-poc.zip · [email protected]https://vuldb.com/cve/CVE-2026-111987 · [email protected]https://vuldb.com/submit/1006710 · [email protected]https://vuldb.com/vuln/421653 · [email protected]https://vuldb.com/vuln/421653/cti · [email protected]
EPSS history
Timeline
  • 20 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 18 OCT 13:15Z
    AUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scripting
    cvelistv5
  • 18 OCT 13:15Z
    AUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scripting
    cvelistv5