{"id":"GHSA-46wq-28cx-mhw4","revision":null,"records":[{"revision":"244bb27968a74629bc2bd34c77be6b20","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-54541","aliases":[],"title":"Nimiq: Panic in TrieProof::verify via child_index unwrap on equal-length keys","description":"Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to 1.6.0, a malicious state-sync peer can crash a syncing node by sending a crafted TrieChunk proof containing two TrieProofNode values with identical keys. TrieProof::verify calls TrieProofNode::child_index in primitives/src/trie/trie_proof_node.rs, where is_prefix_of accepts equal keys and KeyNibbles::get is called at the key length, returns None, and is unconditionally unwrapped. Untrusted ResponseChunk data reaches commit_chunks, put_chunk, and proof.verify before cryptographic proof validation, so the attacker does not need a valid proof. Exploitation requires the attacker to be selected as the victim's sync peer during state sync, and the resulting panic is transient because the node restarts and resynchronizes. This issue is fixed in version 1.6.0.","state":0,"publishedAt":"2026-09-14T15:30:51.319+00:00","modifiedAt":"2026-09-16T15:13:43.511+00:00","affected":[{"ecosystem":"Vendor product","name":"core-rs-albatross","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"nimiq\",\n                    \"product\": \"core-rs-albatross\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.6.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":3.7,"severity":"LOW"}],"references":["https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-46wq-28cx-mhw4","https://github.com/nimiq/core-rs-albatross/pull/3789","https://github.com/nimiq/core-rs-albatross/commit/41d35acee1b5cf3bc34ec3ddc1abbc03604e791e","https://github.com/nimiq/core-rs-albatross/releases/tag/v1.6.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-54541","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-54541","identifiers":["CVE-2026-54541"]},"retained":false,"historicalAffected":[]},{"revision":"c39ba806d14746d3842f04a3bee6b594","observedAt":"2026-11-11T14:00:34.711+00:00","statement":{"source":"euvd","id":"EUVD-2026-77576","aliases":["CVE-2026-54541","GHSA-46wq-28cx-mhw4"],"title":"Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to 1.6.0, a malicious state-sync peer can crash a syncing node by sending a crafted TrieChunk proof containing two TriePro…","description":"Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to 1.6.0, a malicious state-sync peer can crash a syncing node by sending a crafted TrieChunk proof containing two TrieProofNode values with identical keys. TrieProof::verify calls TrieProofNode::child_index in primitives/src/trie/trie_proof_node.rs, where is_prefix_of accepts equal keys and KeyNibbles::get is called at the key length, returns None, and is unconditionally unwrapped. Untrusted ResponseChunk data reaches commit_chunks, put_chunk, and proof.verify before cryptographic proof validation, so the attacker does not need a valid proof. Exploitation requires the attacker to be selected as the victim's sync peer during state sync, and the resulting panic is transient because the node restarts and resynchronizes. This issue is fixed in version 1.6.0.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":3.7,"severity":null}],"references":["https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-46wq-28cx-mhw4","https://github.com/nimiq/core-rs-albatross/pull/3789","https://github.com/nimiq/core-rs-albatross/commit/41d35acee1b5cf3bc34ec3ddc1abbc03604e791e","https://github.com/nimiq/core-rs-albatross/releases/tag/v1.6.0"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-77576","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 14, 2026, 3:30:51 PM","dateUpdated":"Sep 16, 2026, 3:13:43 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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Prior to 1.6.0, a malicious state-sync peer can crash a syncing node by sending a crafted TrieChunk proof containing two TrieProofNode values with identical keys. TrieProof::verify calls TrieProofNode::child_index in primitives/src/trie/trie_proof_node.rs, where is_prefix_of accepts equal keys and KeyNibbles::get is called at the key length, returns None, and is unconditionally unwrapped. Untrusted ResponseChunk data reaches commit_chunks, put_chunk, and proof.verify before cryptographic proof validation, so the attacker does not need a valid proof. Exploitation requires the attacker to be selected as the victim's sync peer during state sync, and the resulting panic is transient because the node restarts and resynchronizes. This issue is fixed in version 1.6.0.","state":0,"publishedAt":"2026-09-14T16:17:12.217+00:00","modifiedAt":"2026-09-30T17:51:56.193+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":3.7,"severity":"LOW"}],"references":["https://github.com/nimiq/core-rs-albatross/commit/41d35acee1b5cf3bc34ec3ddc1abbc03604e791e","https://github.com/nimiq/core-rs-albatross/pull/3789","https://github.com/nimiq/core-rs-albatross/releases/tag/v1.6.0","https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-46wq-28cx-mhw4"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-54541","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-248"],"productCriteria":[],"sourceDates":{"published":"2026-09-14T16:17:12.217","lastModified":"2026-09-30T17:51:56.193"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-54541","identifiers":["CVE-2026-54541"]},"retained":false,"historicalAffected":[]},{"revision":"347f9aeb69e64cffbd247ce3dd63e131","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"GHSA-46wq-28cx-mhw4","aliases":["CVE-2026-54541"],"title":"nimiq-primitives: Panic in TrieProof::verify via child_index unwrap on equal-length keys","description":"### Impact\n\nA malicious peer acting as a state-sync source can crash a syncing node by sending a crafted `TrieChunk` whose proof contains two `TrieProofNode`s with identical keys. `TrieProof::verify()` calls `TrieProofNode::child_index()` (`primitives/src/trie/trie_proof_node.rs:94`), which unconditionally unwraps `KeyNibbles::get(self.key.len())`. Because `is_prefix_of` returns `true` for two equal keys, execution reaches `get(len)`, which returns `None`, and the `unwrap()` panics.\n\nThe panic is reached from untrusted network input (`ResponseChunk` → `commit_chunks` → `put_chunk` → `proof.verify()`) **before** any cryptographic proof verification, so the attacker does not need to produce a valid proof. Exploitation requires the attacker to be selected as the victim's sync peer while the victim is performing state sync, and the resulting crash is transient (the node restarts and re-syncs).\n\nAffected: core-rs-albatross <= 1.5.1 (`nimiq-primitives`).\n\n### Patches\n\nFixed in **1.6.0** via https://github.com/nimiq/core-rs-albatross/pull/3789 (commit `41d35ace`). `child_index` now rejects equal-length keys and returns `MerkleRadixTrieError::WrongPrefix` instead of unwrapping.\n\n### Workarounds\n\nNone other than syncing only from trusted peers. Upgrade to 1.6.0.","state":0,"publishedAt":"2026-07-16T20:03:00+00:00","modifiedAt":"2026-07-16T20:26:44.617705+00:00","affected":[{"ecosystem":"crates.io","name":"nimiq-primitives","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.6.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"LOW"}],"references":["https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-46wq-28cx-mhw4","https://github.com/nimiq/core-rs-albatross/pull/3789","https://github.com/nimiq/core-rs-albatross/commit/41d35acee1b5cf3bc34ec3ddc1abbc03604e791e","https://github.com/nimiq/core-rs-albatross","https://github.com/nimiq/core-rs-albatross/releases/tag/v1.6.0"],"sourceUrl":"https://github.com/advisories/GHSA-46wq-28cx-mhw4","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-46wq-28cx-mhw4","identifiers":["GHSA-46wq-28cx-mhw4","CVE-2026-54541"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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