Security Advisory

CVE-2026-6966

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-04-24 19:38:24

Last updated 2026-04-24 20:15:28

Assigner AMZN

CVSS score 5.3

State PUBLISHED

Description

Improper verification of cryptographic signature uniqueness in delegated role validation in awslabs/tough before tough-v0.22.0 allows remote authenticated users to bypass the TUF signature threshold requirement by duplicating a valid signature, causing the client to accept forged delegated role metadata. We recommend you upgrade to tough-v0.22.0 / tuftool-v0.15.0.

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