{"id":"CVE-2026-44650","state":"PUBLISHED","title":"SillyTavern: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","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, 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.","publishedAt":"2026-05-29T17:48:03.396Z","updatedAt":"2026-05-29T19:13:57.913Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["SillyTavern SillyTavern"],"affected":[{"vendor":"SillyTavern","product":"SillyTavern","versions":[{"version":"< 1.18.0","status":"affected"}]}],"references":["https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44650.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44650","state":"PUBLISHED","datePublished":"2026-05-29T17:48:03.396Z","dateUpdated":"2026-05-29T19:13:57.913Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-07T15:30:10.875Z"},"containers":{"cna":{"title":"SillyTavern: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"SillyTavern","product":"SillyTavern","versions":[{"version":"< 1.18.0","status":"affected"}]}],"references":[{"url":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh","name":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-29T17:48:03.396Z"},"source":{"advisory":"GHSA-886q-f44j-h6wh","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-29T19:13:38.382701Z","id":"CVE-2026-44650","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-29T19:13:57.913Z"}}]}}}