HighVulnerabilityLLM-specific

CVE-2026-46372: SillyTavern SearXNG search endpoint server-side request forgery via baseUrl

Source: NVD(opens in a new tab)
Identifier: CVE-2026-46372
Published: May 29, 2026
Record updated: October 9, 2026

Affected: sillytavern <= 1.17.0
Fixed in: 1.18.0
Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 1.0%

Summary

SillyTavern versions prior to 1.18.0 expose the /api/search/searxng endpoint, which uses an attacker-controlled baseUrl 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.

Mitigation

Fixed in 1.18.0.

Details

Scores and exploitation

CVSS score: 8.5(high)
Patch available: Yes
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Attack vector: network
Attack complexity: low
Privileges required: low
User interaction: none
EPSS: 1.0%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on October 12, 2026.
Disclosure date: May 29, 2026

Weaknesses and techniques

Weakness (CWE): CWE-918
Attack pattern (CAPEC): CAPEC-664

Affected

Packages: sillytavern@<= 1.17.0 (fixed: 1.18.0)

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: API
Impact: Confidentiality
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-46372

First tracked: May 29, 2026 at 08:09 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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