Missing expiration, hash, and length enforcement in delegated metadata validation in awslabs/tough before tough-v0.22.0 allows remote authenticated users with delegate…

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Apr 24, 2026 · NIST NVD

   Detected

   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

2. Jun 17, 2026 · NIST NVD

   Updated

   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

Affected

• cpe amazon/toughversion unspecified
• cpe amazon/tuftoolversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-6967

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-6967

  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 lo

  nvd.nist.gov

References

• Vendor Advisory · aws.amazon.com
• Product · crates.io
• Product · crates.io
• Release Notes · github.com
• Release Notes · github.com
• Vendor Advisory · github.com