N/A

CVSS Score

-

CVSS Score

Basic Information

CVE ID

CVE-2025-66016

GHSA ID

GHSA-m95p-425x-x889

EPSS Score

CWE

CWE-347

Published

11/25/2025

Updated

11/25/2025

KEV Status

Technology

Rust

Basic Information

CVE ID

GHSA ID

EPSS Score

CWE

Published

Updated

KEV Status

Technology

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CVE-2025-66016

CVE-2025-66016: cggmp21 has a missing check in the ZK proof used in CGGMP21

Impact

cggmp21 concerns a missing check in the ZK proof that enables an attack in which a single malicious signer can reconstruct full private key.

Patches

cggmp21 v0.6.3 is a patch release that contains a fix that introduces this specific missing check
However, cggmp21 recommends upgrading to cggmp24 v0.7.0-alpha.2 which contains many other security checks as a precaution. Follow migration guideline to upgrade.

Workarounds

Update to cggmp21 v0.6.3, a minor release that contains a minimal security patch.

However, for full mitigation, users will need to upgrade to cggmp24 v0.7.0-alpha.2 as it contains many more security check implementations.

Resources

Read this blog post to learn more.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2025-66016

CVE-2025-66016:

N/A

CVSS Score

-

CVSS Score

Basic Information

CVE ID

CVE-2025-66016

GHSA ID

GHSA-m95p-425x-x889

EPSS Score

CWE

CWE-347

Published

11/25/2025

Updated

11/25/2025

KEV Status

Technology

Rust

Basic Information

CVE ID

GHSA ID

EPSS Score

CWE

Published

Updated

KEV Status

Technology

Technical Details

CVSS Vector

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
cggmp21	rust	< 0.6.3	0.6.3
cggmp24	rust	< 0.7.0-alpha.2	0.7.0-alpha.2

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis:

In progress

WAF Protection Rules

WAF Rule

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Reasoning

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N/A

-

Basic Information

Basic Information

Concerned about an active attack path?

CVE-2025-66016: cggmp21 has a missing check in the ZK proof used in CGGMP21

Impact

Patches

Workarounds

Resources

CVE-2025-66016:

N/A

-

Basic Information

Basic Information

Technical Details

Technical Details

Vulnerability IntelligenceMiggo AI

WAF Protection Rules

WAF Rule

Reasoning

Vulnerability IntelligenceMiggo AI

Vulnerability IntelligenceMiggo AI

WAF Protection Rules

WAF Rule

Reasoning

Technical Details

N/A

N/A

Basic Information

Basic Information

CVE-2025-66016: cggmp21 has a missing check in the ZK proof used in CGGMP21

Impact

Patches

Workarounds

Resources

Vulnerability Intelligence
Miggo AI

Vulnerability Intelligence
Miggo AI

Vulnerability Intelligence
Miggo AI