{"id":"CVE-2026-113611","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-113611","generatedAt":"2026-10-28T01:12:08.969Z","title":"Outline before 1.8.0 contains an improper access revocation vulnerability that allows deleted administrators to keep receiving document contents because UserDeletedProcessor never disables their WebhookSubscription rows.","description":"Outline before 1.8.0 contains an improper access revocation vulnerability that allows deleted administrators to keep receiving document contents because UserDeletedProcessor never disables their WebhookSubscription rows. Former admins who registered webhooks before deletion continue receiving full document bodies, including Markdown and Yjs data, via DeliverWebhookTask for every matching workspace event.","published":"2026-10-20T16:17:12.000Z","lastModified":"2026-10-23T02:16:56.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/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":0.00535,"percentile":0.44846,"date":"2026-10-26","history":[{"date":"2026-10-21","score":0.00366,"percentile":0.29239}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-20T16:17:12.000Z","detail":{"score":"6.9","severity":"MEDIUM","publishedAt":"2026-10-20T16:17:11.633Z"},"summary":"New CVE, medium severity (CVSS 6.9)."}],"references":[{"url":"https://github.com/outline/outline/blob/v1.7.1/server/queues/processors/UserDeletedProcessor.ts","source":"disclosure@vulncheck.com"},{"url":"https://github.com/outline/outline/commit/e044014cea958962fc9f5e2b8f6ff1d8cadd676f","source":"disclosure@vulncheck.com"},{"url":"https://github.com/outline/outline/releases/tag/v1.8.0","source":"disclosure@vulncheck.com"},{"url":"https://github.com/outline/outline/security/advisories/GHSA-33jq-x32c-3ccw","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/outline-before-1.8.0-information-disclosure-via-orphaned-webhook-subscriptions","source":"disclosure@vulncheck.com"},{"url":"https://github.com/outline/outline/security/advisories/GHSA-33jq-x32c-3ccw","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-113611","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."}