# Security Disclosures — Cerin Amroth

Source: https://cerinamroth.com/disclosures/

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# Security Disclosures

Coordinated vulnerability disclosures, published after a fix shipped or the disclosure window closed.

- [ZisK: a missing sign constraint in signed remainder](https://cerinamroth.com/disclosures/zisk-signed-rem-sign-soundness/)FIXED

0xPolygonHermez/zisk · CWE-682 (Incorrect Calculation), under-constrained circuit

 Coordinated disclosure. Published only after a fix shipped or the disclosure window closed. · Verify signatures against [our key](https://cerinamroth.com/.well-known/cerinamroth-pubkey.asc). · [security@cerinamroth.com](mailto:security@cerinamroth.com)
  © 2026 Cerin Amroth Security Research, LLC · CERIN AMROTH SECURITY RESEARCH™