CVE-2026-34526 SillyTavern: Incomplete IP validation in /api/search/visit allows SSRF via localhost and IPv6

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. Prior to version 1.17.0, in src/endpoints/search.js, the hostname is checked against /^\d+.\d+.\d+.\d+$/. This...

CVE-2026-34526

Summary of CVE-2026-34526 (SillyTavern) : An incomplete IP validation in the /api/search/visit flow enables SSRF against internal hosts in versions prior to 1.17.0. The root cause is a hostname check in src/endpoints/search.js that uses the regex /^?\d+.\d+.\d+.\d+$/ to match only literal dotted-...

CVE-2026-34526 SillyTavern: Incomplete IP validation in /api/search/visit allows SSRF via localhost and IPv6

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. Prior to version 1.17.0, in src/endpoints/search.js, the hostname is checked against /^\d+.\d+.\d+.\d+$/. This...

GHSA-WM7J-M6JM-8797 SillyTavern: Incomplete IP validation in /api/search/visit allows SSRF via localhost and IPv6

Details Distinct from CVE-2025-59159 and CVE-2026-26286 all fixed in v1.16.0. This endpoint is still unpatched. In src/endpoints/search.js line 419, the hostname is checked against /^\d+.\d+.\d+.\d+$/. This only matches literal dotted-quad IPv4 e.g. 127.0.0.1, 10.0.0.1. It does not catch: -...