CVE-2025-24800: Signature Bypass

Description

Hyperbridge is a hyper-scalable coprocessor for verifiable, cross-chain interoperability. A critical vulnerability was discovered in the ismp-grandpa crate, that allowed a malicious prover easily convince the verifier of the finality of arbitrary headers. This could be used to steal funds or compromise other kinds of cross-chain applications. This vulnerability is fixed in 15.0.1.

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Weakness Type (CWE)

CWE-347 CWE-347

CWE-670 CWE-670

References

Other References

https://github.com/polytope-labs/hyperbridge/pull/372/commits/f0e85db718f5165b06585a49b14a66f8ad643aea https://github.com/polytope-labs/hyperbridge/security/advisories/GHSA-wwx5-gpgr-vxr7 https://github.com/polytope-labs/ismp-substrate/pull/64/commits/5ca3351a19151f1a439c30d5cbdbfdc72a11f1a8#diff-3835cc24fb2011b3e8246036059acd8c2c2a9a869eedf7a210d18edb6543318dL262

Frequently Asked Questions

What is CVE-2025-24800? +

Hyperbridge is a hyper-scalable coprocessor for verifiable, cross-chain interoperability. A critical vulnerability was discovered in the ismp-grandpa crate, that allowed a malicious prover easily convince the verifier of the finality of arbitrary headers. This could be used to steal funds or compromise other kinds of cross-chain applications. This vulnerability is fixed in 15.0.1.

How do I check if I'm vulnerable to CVE-2025-24800? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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