CVE-2026-43888 - Vulnerability Analysis
HighCVSS: 8.7Last Updated: May 12, 2026
Outline - Path Traversal
Published: May 11, 2026Updated: May 12, 2026Remote Exploitable
Overview
Outline < 1.7.0 contains a path traversal caused by improper handling of long nested zip entry paths in ZipHelper.extract, letting attackers write files outside the extraction sandbox, exploit requires crafted zip archive.
Severity & Score
Severity: High
CVSS Score: 8.7
Impact
Attackers can write files outside the intended directory, potentially leading to arbitrary file write and persistence on the system.
Mitigation
Update to version 1.7.0 or later.
Related Resources
Details
- CVE ID
- CVE-2026-43888
- Severity
- High
- CVSS Score
- 8.7
- Type
- path_traversal
- Status
- rejected
CWE
- CWE-22
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H