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CVE-2026-6966

Signature Threshold Bypass in awslabs/tough Delegated Roles PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
AWS / toughaffected 0.9.0 through 0.21
AWS / tuftoolaffected 0 through 0.14

CWE

CWE-347

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.