Threats Tagged 'cve-2026-58262'
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Threats Tagged 'cve-2026-58262'
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0 Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, header signature verification counts the unused padding bits of the PubKeysBitmap toward the two-thirds validator quorum. These padding bits do not correspond to any validator and are ignored by the actual BLS aggregate-signature check, so a malicious or compromised block producer can set them to reach the required quorum while gathering fewer genuine validator signatures than the protocol demands. As a result, nodes that import or intercept the header accept it as correctly signed without a real two-thirds quorum, weakening consensus safety and undermining finality. This issue is fixed in version 1.7.20. Join the discussion | CVE Database V5 | 08/07/2026, 22:00:57 UTC Added: 08/07/2026, 22:12:01 UTC |
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