CVE Explorer
CVE-2026-46539
Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.4.0, a logic flaw in BlockInclusionProof::is_block_proven causes the function to return true without performing any cryptographic verification when get_interlink_hops yields an empty hop list. This occurs when the target block is at the election block position immediately preceding the election head's epoch. An attacker providing transaction inclusion proofs can forg
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"core-rs-albatross","vendor":"nimiq","versions":[{"status":"affected","version":"< 1.4.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:125c348512ec81266175d8f0670ea530509163adeca24bc2adaf01aaba85ee93 · sha256:0f2469ef7fe61870… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:125c348512ec81266175d8f0670ea530509163adeca24bc2adaf01aaba85ee93 · sha256:0f2469ef7fe61870… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:125c348512ec81266175d8f0670ea530509163adeca24bc2adaf01aaba85ee93 · sha256:0f2469ef7fe61870… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"name":"https://github.com/nimiq/core-rs-albatross/pull/3705","tags":["x_refsource_MISC"],"url":"https://github.com/nimiq/core-rs-albatross/pull/3705"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:125c348512ec81266175d8f0670ea530509163adeca24bc2adaf01aaba85ee93 · sha256:0f2469ef7fe61870… · /containers/cna/references/1
{"name":"https://github.com/nimiq/core-rs-albatross/releases/tag/v1.4.0","tags":["x_refsource_MISC"],"url":"https://github.com/nimiq/core-rs-albatross/releases/tag/v1.4.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:125c348512ec81266175d8f0670ea530509163adeca24bc2adaf01aaba85ee93 · sha256:0f2469ef7fe61870… · /containers/cna/references/2
{"name":"https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-799f-29jm-gr6c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-799f-29jm-gr6c"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:125c348512ec81266175d8f0670ea530509163adeca24bc2adaf01aaba85ee93 · sha256:0f2469ef7fe61870… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.