CVE-2025-64487

HIGH EPSS 9.6%
Published Feb 11, 20264mo ago · Modified Feb 20, 20264mo ago
7.6 CVSS 3.1
High
Find Similar
Published Feb 11, 2026 4mo ago
Last Modified Feb 20, 2026 4mo ago

Description

Outline is a service that allows for collaborative documentation. Prior to 1.1.0, a privilege escalation vulnerability exists in the Outline document management system due to inconsistent authorization checks between user and group membership management endpoints. This vulnerability is fixed in 1.1.0.

CVSS Details

Base Score
7.6
Exploitability
2.3
Impact
4.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality High
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
9.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-269 Improper Privilege Management Authorization

Affected Products 1

VendorProductVersionRange
getoutlineoutline* <1.1.0

References 2

  • github.com https://github.com/outline/outline/releases/tag/v1.1.0
    Release Notes
  • github.com https://github.com/outline/outline/security/advisories/GHSA-c8xf-3j86-7686
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.