Is CVE-2026-24901 in the CISA KEV catalog?

No. CVE-2026-24901 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-24901?

CVE-2026-24901 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2026-24901?

CVE-2026-24901 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-24901

HIGH

8.1

CVSS v3

NVD

Description

Outline is a service that allows for collaborative documentation. Prior to 1.4.0, an Insecure Direct Object Reference (IDOR) vulnerability in the document restoration logic allows any team member to unauthorizedly restore, view, and seize ownership of deleted drafts belonging to other users, including administrators. By bypassing ownership validation during the restore process, an attacker can access sensitive private information and effectively lock the original owner out of their own content. Version 1.4.0 fixes the issue.

CWE-639

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

https://github.com/outline/outline/security/advisories/GHSA-gmr5-43f5-79f5

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-19.