{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-108545","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-10T14:06:53.389Z","datePublished":"2026-10-10T14:15:52.273Z","dateUpdated":"2026-10-14T16:03:47.394Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-10T14:15:52.273Z"},"datePublic":"2026-10-09T00:00:00.000Z","title":"SillyTavern 1.12.13 through 1.19.0 Pre-Authentication Denial of Service via Body Parsing","descriptions":[{"lang":"en","value":"SillyTavern 1.12.13 through 1.19.0 contains a denial of service vulnerability that allows unauthenticated remote attackers to exhaust resources because body-parser middleware runs before authentication and whitelist checks. Attackers can send large or compressed JSON or urlencoded bodies up to 500 MB, optionally in parallel, to exhaust memory and CPU and deny service."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Uncontrolled Resource Consumption","cweId":"CWE-400","type":"CWE"}]}],"affected":[{"vendor":"SillyTavern","product":"SillyTavern","packageURL":"pkg:github/SillyTavern/SillyTavern","defaultStatus":"unaffected","versions":[{"version":"1.12.13","lessThanOrEqual":"1.19.0","status":"affected","versionType":"semver"}],"repo":"https://github.com/SillyTavern/SillyTavern"}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:sillytavern:sillytavern:*:*:*:*:*:*:*:*","versionStartIncluding":"1.12.13","versionEndIncluding":"1.19.0"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://hackmd.io/@haind/sillytavern-preauth-body-parser-dos","tags":["technical-description","exploit"]},{"url":"https://github.com/SillyTavern/SillyTavern","tags":["product"]},{"url":"https://github.com/SillyTavern/SillyTavern/blob/1.19.0/src/server-main.js#L110-L150","tags":["technical-description"]},{"name":"VulnCheck Advisory: SillyTavern 1.12.13 through 1.19.0 Pre-Authentication Denial of Service via Body Parsing","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/sillytavern-1.12.13-through-1.19.0-pre-authentication-denial-of-service-via-body-parsing"}],"credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T15:52:01.549780Z","id":"CVE-2026-108545","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-14T16:03:47.394Z"}}]}}