{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-121445","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-03T12:32:14.752Z","datePublished":"2026-11-03T14:28:34.674Z","dateUpdated":"2026-11-03T16:56:19.864Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-03T14:28:34.674Z"},"datePublic":"2026-10-19T00:00:00.000Z","title":"svg-sanitizer 1.0.0 before 1.1.0 ReDoS and Fail-Open via image-set CSS Stripping","descriptions":[{"lang":"en","value":"darylldoyle svg-sanitizer from 1.0.0 before 1.1.0 contains a regular expression denial of service vulnerability in the image-set pattern of stripRemoteCssTokens() when removeRemoteReferences is enabled. Attackers can submit SVGs with many unclosed image-set tokens to exhaust CPU, or trigger PCRE limits causing sanitize() to throw a TypeError and leave unsanitized content."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Check for Unusual or Exceptional Conditions","cweId":"CWE-754","type":"CWE"}]}],"affected":[{"vendor":"darylldoyle","product":"svg-sanitizer","defaultStatus":"unaffected","versions":[{"version":"1.0.0","status":"affected","versionType":"semver","lessThan":"1.1.0"},{"version":"1.1.0","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:drupal:svg_sanitizer:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0.0","versionEndExcluding":"1.1.0"}]}]}],"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://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-94x8-pw3c-6qcq","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-94x8-pw3c-6qcq)"},{"name":"VulnCheck Advisory: svg-sanitizer 1.0.0 before 1.1.0 ReDoS and Fail-Open via image-set CSS Stripping","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/svg-sanitizer-1.0.0-before-1.1.0-redos-and-fail-open-via-image-set-css-stripping"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"references":[{"url":"https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-94x8-pw3c-6qcq","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-03T16:55:56.736749Z","id":"CVE-2026-121445","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":"2026-11-03T16:56:19.864Z"}}]}}