{"id":"CVE-2026-34065","sourceIdentifier":"security-advisories@github.com","published":"2026-04-22T20:16:41.077","lastModified":"2026-06-17T10:38:30.497","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"nimiq-primitives contains primitives (e.g., block, account, transaction) to be used in Nimiq's Rust implementation. Prior to version 1.3.0, an untrusted p2p peer can cause a node to panic by announcing an election macro block whose `validators` set contains an invalid compressed BLS voting key. Hashing an election macro header hashes `validators` and reaches `Validators::voting_keys()`, which calls `validator.voting_key.uncompress().unwrap()` and panics on invalid bytes. The patch for this vulnerability is included as part of v1.3.0. No known workarounds are available."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"nimiq","product":"nimiq-primitives","versions":[{"version":"< 1.3.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-23T14:16:52.791989Z","id":"CVE-2026-34065","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-252"},{"lang":"en","value":"CWE-755"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nimiq:nimiq_proof-of-stake:*:*:*:*:*:rust:*:*","versionEndExcluding":"1.3.0","matchCriteriaId":"CD0CAAD1-7626-4A4A-A6F8-9DC46FE50731"}]}]}],"references":[{"url":"https://github.com/nimiq/core-rs-albatross/commit/e10eaebcd7774e5da6d0ff5e88ed13503474f0ff","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/nimiq/core-rs-albatross/pull/3662","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-7c4j-2m43-2mgh","source":"security-advisories@github.com","tags":["Patch","Vendor Advisory"]}]}