Hacktivity

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  • highPGN-10463

    Settlement amount mutated after signature via delimiter-free field concatenation

    The HMAC covered concatenated fields with no separator, so a shifted boundary between amount and session id verified under the original signature.

    Voltgrid@nullwaveImproper Validation of Integrity Check Value22 Oct 2026triage 8.5hresolved 6.1d
    $16,000
    Resolved
Hacktivity
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  • Bounty paidVoltgrid@nullwave
    Settlement amount mutated after signature via delimiter-free field concatenation
    high
    $16k