Medium severity · published Oct 18, 2026
CVE-2026-111987
AUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scripting
4.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ST
stable-diffusion-webui · AUTOMATIC1111
1.10.0; 1.10.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111987
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111987
github.com
https://github.com/AUTOMATIC1111/stable-diffusion-webui/
github.com
https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17500
github.com
https://github.com/user-attachments/files/32834382/a1111-sshs-hash-poc.zip
vuldb.com
https://vuldb.com/cve/CVE-2026-111987
vuldb.com
https://vuldb.com/submit/1006710
vuldb.com
https://vuldb.com/vuln/421653
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