CVE-2026-26286

🔴 HIGH

SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. In versions prior...

Published
Feb 19, 2026
Last Modified
Feb 20, 2026
Views
18
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SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. In versions prior to 1.16.0, a Server-Side Request Forgery (SSRF) vulnerability in the asset download endpoint allows authenticated users to make arbitrary HTTP requests from the server and read the full response body, enabling access to internal services, cloud metadata, and private network resources. The vulnerability has been patched in the version 1.16.0 by introducing a whitelist domain check for asset download requests. It can be reviewed and customized by editing the `whitelistImportDomains` array in the `config.yaml` file.

Affected Products (1)

sillytavern - sillytavern

Version: *

CVSS Scores

CVSS 3.1 8.5
8.5
HIGH
CVSS 2.0 8.5

References

Additional Information

Source
security-advisories@github.com
State
Analyzed

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