CVE-2026-111987AUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scripting
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No exploitation reported and no EPSS estimate yet.
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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
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
- Weakness (CWE)
- CWE-79, CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Received
- Record last updated
- Oct 18, 2026
- First seen by InfoSec Signals
- Oct 18, 2026
Affected products
AUTOMATIC1111 stable-diffusion-webui automatic1111:stable-diffusion-webui | 1.10.0; 1.10.1 | CNA record |
References
- https://vuldb.com/vuln/421653vdb-entry, technical-description
- https://vuldb.com/vuln/421653/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-111987third-party-advisory
- https://vuldb.com/submit/1006710third-party-advisory
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17500issue-tracking
- https://github.com/user-attachments/files/32834382/a1111-sshs-hash-poc.zipexploit
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.