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Description

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 1.18.0, SillyTavern exposes /api/search/searxng, which accepts attacker-controlled baseUrl and uses it directly to build outbound server-side fetches. An authenticated low-privilege user can point baseUrl at an internal or loopback HTTP service and receive the /search response body. This vulnerability is fixed in 1.18.0.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-29 | Updated 2026-05-29 | Assigner GitHub_M




HIGH: 8.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Problem types

CWE-918: Server-Side Request Forgery (SSRF)

Product status

< 1.18.0
affected

References

github.com/...Tavern/security/advisories/GHSA-qg89-qwwh-5f3j exploit

github.com/...Tavern/security/advisories/GHSA-qg89-qwwh-5f3j

cve.org (CVE-2026-46372)

nvd.nist.gov (CVE-2026-46372)

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