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

Last Updated

2026-10-02

Affected Products (3)

Other

• 21312-17084
• 21839-17084
• 21905-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-02: Information published.
• 2026-09-08: Information published.
• 2026-09-09: Information published.
• 2026-09-11: Information published.
• 2026-09-23: Information published.
• 2026-10-02: Information published.