{"affected":[{"defaultStatus":"unaffected","product":"ToolJet","source":"CNA: VulnCheck","vendor":"ToolJet","versions":[{"lessThan":"3.20.242-lts","status":"affected","version":"3.20.2-lts","versionType":"semver"},{"status":"unaffected","version":"3.20.242-lts","versionType":"semver"}]}],"cveId":"CVE-2026-118685","cwes":["CWE-863"],"description":"ToolJet from 3.20.2-lts before 3.20.242-lts contains an authorization bypass in SignupDisableGuard, which treats the string signup setting 'false' as truthy, so instance-level signup restrictions are not enforced. Unauthenticated attackers can send POST requests to /api/signup without an organizationId to create an account, join the default workspace, and receive a valid session.","epss":{"date":"2026-11-02","percentile":0.08158,"score":0.00185},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gg3p-r4g8-vxg2"}],"kev":null,"metrics":[{"score":6.9,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":6.5,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}],"modifiedAt":1793651760424,"publishedAt":1793213994863,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/ToolJet/ToolJet/security/advisories/GHSA-gwr6-mv6v-23f2"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/tooljet-3.20.2-lts-before-3.20.242-lts-signup-bypass-via-signupdisableguard"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gg3p-r4g8-vxg2"}],"remediation":[],"revision":"4cf6826f755a4d03f7c9eaf08c7a34ff488e58daab54f4d30d65e9c1f540e760","sources":[{"modifiedAt":1793651760424,"name":"CNA: VulnCheck","retrievedAt":1793653779548,"url":"https://www.cve.org/CVERecord?id=CVE-2026-118685"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793653811973,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-118685"}],"ssvc":{"assessedAt":1793651736559,"automatable":"yes","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"ToolJet 3.20.2-lts before 3.20.242-lts Signup Bypass via SignupDisableGuard","updatedAt":1793653811973}