CVE-2026-24901 describes an Insecure Direct Object Reference (IDOR) vulnerability in Outline versions prior to 1.4.0. This flaw allows any team member to unauthorizedly restore, view, and seize ownership of deleted drafts belonging to other users, including administrators, bypassing ownership validation. Rated 8.8 High on CVSS, this vulnerability has a network attack vector, low attack complexity, and requires only low privileges, leading to high impacts on confidentiality, integrity, and availability. While not in CISA's KEV catalog, it is on a "Hot List" and has garnered some community discussion, though no public exploit code is currently available. Organizations using affected Outline versions should upgrade to 1.4.0 immediately to remediate this critical issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.0CPE matchmatch criteria | cpe:2.3:a:getoutline:outline:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.