CVE-2026-6968 MEDIUM

CVE-2026-6968: Multiple Path Traversal Variants in awslabs/tough

Weakness CWE-22 · Path traversal
Published April 24, 2026
Last update April 24, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Incomplete path traversal fixes in awslabs/tough before tough-v0.22.0 allow remote authenticated users with delegated signing authority to write files outside intended output directories via absolute target names in copy_target/link_target, symlinked parent directories in save_target, or symlinked metadata filenames in SignedRole::write, because write paths trust the joined destination path without post-resolution containment verification. We recommend you upgrade to tough-v0.22.0 / tuftool-v0.15.0.

Key dates

02Disclosure timeline

April 24, 2026 CVE published
April 24, 2026 Record updated