{"id":"CVE-2026-100685","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-100685","generatedAt":"2026-10-28T06:34:23.363Z","title":"Budibase before 3.45.0 fails to properly scope the GET /api/chat-links endpoint by workspace, allowing builders to enumerate chat identity link records across all workspaces in a tenant.","description":"Budibase before 3.45.0 fails to properly scope the GET /api/chat-links endpoint by workspace, allowing builders to enumerate chat identity link records across all workspaces in a tenant. Attackers with builder access to a single workspace can retrieve sensitive chat identity linking data including user IDs and external chat service identifiers from other workspaces they have no permission to access.","published":"2026-09-26T14:16:53.000Z","lastModified":"2026-10-08T16:16:59.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.3,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-863"],"affected":[],"epss":{"score":0.00264,"percentile":0.18122,"date":"2026-10-27","history":[{"date":"2026-09-27","score":0.00209,"percentile":0.09843}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-26T14:16:53.000Z","detail":{"score":"8.3","severity":"HIGH","publishedAt":"2026-09-26T14:16:52.860Z"},"summary":"New CVE, high severity (CVSS 8.3)."}],"references":[{"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-76m3-47v8-p7h6","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/budibase-before-3.45.0-information-disclosure-via-chat-links","source":"disclosure@vulncheck.com"},{"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-76m3-47v8-p7h6","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100685","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}