CVE-2026-82455: RubyGems before 4.0.13 Path Traversal via Symlink Resolution

Overview

Severity

High (CVSS 7.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-09-02

EPSS Score

0.14% (percentile: 4.0%)

Affected Products (1)

Other

• 21312-17084

Revision History

• 2026-09-02: Information published.