{"id":"CVE-2026-44650","title":"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","summary":"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, POST /api/extensions/delete endpoint …","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","cwe":["CWE-22"],"published":"2026-05-29","updated":"2026-07-22","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-44650","references":[{"url":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh","label":"security-advisories@github.com"},{"url":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00567,"epssPercentile":0.4582,"ingestedAt":"2026-07-22T20:06:05.340Z","slug":"CVE-2026-44650","body":"## Overview\n\nSillyTavern 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, POST /api/extensions/delete endpoint accepts extensionName: \".\" which bypasses sanitize-filename validation, causing the entire user extensions directory to be recursively deleted. No authentication is required in the default configuration. This vulnerability is fixed in 1.18.0.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}