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: 2026-10-20
Score: 6.9 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 20 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Outline before 1.8.0 Information Disclosure via Orphaned Webhook Subscriptions
First Time appeared Getoutline
Getoutline outline
Weaknesses CWE-863
CPEs cpe:2.3:a:getoutline:outline:*:*:*:*:*:*:*:*
Vendors & Products Getoutline
Getoutline outline
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 6.9, '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'}


Subscriptions

Getoutline Outline
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T15:40:36.179Z

Reserved: 2026-10-20T11:49:07.757Z

Link: CVE-2026-113611

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T16:17:11.633

Modified: 2026-10-20T16:17:11.633

Link: CVE-2026-113611

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T17:45:13Z

Weaknesses