PT-2026-35079

CVE-2026-6966

Published

2026-04-24

Updated

2026-10-20

Description by

CVSS 4.0

7.0

High

MetricsAV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N

Name of the Vulnerable Software and Affected Versions awslabs/tough versions prior to 0.22.0

Description Improper verification of cryptographic signature uniqueness in delegated role validation allows remote authenticated users to bypass the TUF signature threshold requirement by duplicating a valid signature. This can cause the client to accept forged delegated role metadata.

Recommendations Upgrade to tough-v0.22.0 / tuftool-v0.15.0.

Exploitability

Exploit

Fix

Impacts

Researchers

1Seal

Emilyalbini

Vendors

Affected products

Weakness enumeration

CWE-347: Improper Verification of Cryptographic Signature