Vulnerability in Polytope-Labs Hyperbridge
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.
EPSS: 0.003 (22.7th percentile) — read the EPSS interpretation.
Affected products
- Polytope-labs Hyperbridge — versions < 15.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-24800?
- CVE-2025-24800 is a vulnerability in Polytope-Labs Hyperbridge, classified under Improper Verification of Cryptographic Signature. Published 2025-01-28.
- Is CVE-2025-24800 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.