{"id":"CVE-2025-24800","aliases":["GHSA-wwx5-gpgr-vxr7"],"url":"https://o3.security/vulnerability/CVE-2025-24800","summary":"Critical vulnerability in `ismp-grandpa` <v15.0.1","details":"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.","published":"2025-01-28T15:41:43.461Z","modified":"2026-08-08T03:30:18.840572309Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"ismp-grandpa","fixedVersion":"15.0.1"},{"ecosystem":"crates.io","name":"grandpa-verifier-primitives","fixedVersion":"0.1.2"},{"ecosystem":"crates.io","name":"grandpa-verifier","fixedVersion":"0.1.2"}],"fix":{"url":"https://github.com/polytope-labs/hyperbridge/pull/372/commits/f0e85db718f5165b06585a49b14a66f8ad643aea","label":"polytope-labs/hyperbridge#372"},"references":[{"type":"WEB","url":"https://github.com/polytope-labs/hyperbridge/pull/372/commits/f0e85db718f5165b06585a49b14a66f8ad643aea"},{"type":"WEB","url":"https://github.com/polytope-labs/ismp-substrate/pull/64/commits/5ca3351a19151f1a439c30d5cbdbfdc72a11f1a8#diff-3835cc24fb2011b3e8246036059acd8c2c2a9a869eedf7a210d18edb6543318dL262"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/24xxx/CVE-2025-24800.json"},{"type":"ADVISORY","url":"https://github.com/polytope-labs/hyperbridge/security/advisories/GHSA-wwx5-gpgr-vxr7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-24800"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:30:18.840572309Z"}}