{"id":"CVE-2026-6967","state":"PUBLISHED","title":"Missing Delegated Metadata Validation in awslabs/tough","description":"Missing expiration, hash, and length enforcement in delegated metadata validation in awslabs/tough before tough-v0.22.0 allows remote authenticated users with delegated signing authority to bypass TUF specification integrity checks for delegated targets metadata and poison the local metadata cache, because load_delegations does not apply the same validation checks as the top-level targets metadata path.\n\n\n\nWe recommend you upgrade to tough-v0.22.0 / tuftool-v0.15.0.","publishedAt":"2026-04-24T19:41:43.460Z","updatedAt":"2026-10-20T18:26:25.513Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:L","source":"AMZN"},"assigner":"AMZN","products":["AWS tough","AWS 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