CVE-2026-113611 Outline before 1.8.0 Information Disclosure via Orphaned Webhook Subscriptions
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-113611?
CVE-2026-113611 is a medium-severity vulnerability in outline, published on 20 Oct 2026.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-113611?
How do I fix CVE-2026-113611?
No fix has been published for CVE-2026-113611 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-113611 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-113611 exists.
Sources
Also known as GHSA-33jq-x32c-3ccw, GHSA-5w2f-v435-9jjc.