Vulnerability in Nimiq Nimiq_proof-of-stake
CVE-2026-34067
nimiq-transaction provides the transaction primitive to be used in Nimiq's Rust implementation. Prior to version 1.3.0, `HistoryTreeProof::verify` panics on a malformed proof where `history.len() != positions.len()` due to `assert_eq!(hist…
EPSS: 0.003 (23.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Nimiq Nimiq_proof-of-stake
- Nimiq Nimiq-transaction — versions < 1.3.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-34067?
- CVE-2026-34067 is a low-severity vulnerability in Nimiq Nimiq_proof-of-stake, classified under Reachable Assertion. CVSS score: 3.1/10. Published 2026-04-22.
- How severe is CVE-2026-34067?
- Low severity. CVSS v3 base score is 3.1 out of 10.