cve.bz

CVE-2025-24800

9.3 criticalEPSS 0.3%

Critical (9.3). EPSS 0.3% chance of exploitation in the next 30 days. Fixed in ismp-grandpa 15.0.1.

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.

Severity

CVSS 4.0

9.3 critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWEs
CWE-347, CWE-670
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-wwx5-gpgr-vxr7crates.ioismp-grandpa<15.0.115.0.1
GHSA-wwx5-gpgr-vxr7crates.iograndpa-verifier-primitives<0.1.20.1.2
GHSA-wwx5-gpgr-vxr7crates.iograndpa-verifier<0.1.20.1.2

References

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