MEDIUM 6.9 NVD
CVE-2026-113611
Outline before 1.8.0 contains an improper access revocation vulnerability that allows deleted administrators to keep receiving document contents because UserDel
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.
References
- https://github.com/outline/outline/blob/v1.7.1/server/queues/processors/UserDeletedProcess
- https://github.com/outline/outline/commit/e044014cea958962fc9f5e2b8f6ff1d8cadd676f
- https://github.com/outline/outline/releases/tag/v1.8.0
- https://github.com/outline/outline/security/advisories/GHSA-33jq-x32c-3ccw
- https://www.vulncheck.com/advisories/outline-before-1.8.0-information-disclosure-via-orpha
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-10-20 via NVD.
vulnfeed aggregates 16920 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.