Outline
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
CVE-2026-113611 Oct 20, 2026 Source: Vendor
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.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-113611
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CVE-2026-113611
BR2026-0000-029319
unclaimed
Credited as Sanjorn Keeratirungsan (dizconnectz)