Vulnerability in Nimiq Network-libp2p
CVE-2026-34063
Nimiq's network-libp2p is a Nimiq network implementation based on libp2p. Prior to version 1.3.0, `network-libp2p` discovery uses a libp2p `ConnectionHandler` state machine. the handler assumes there is at most one inbound and one outbound…
EPSS: 0.001 (16.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Nimiq Network-libp2p — versions < 1.3.0
Weakness classification (CWE)
References
- https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-74hp-mhfx-m45h (x_refsource_CONFIRM)
- https://github.com/nimiq/core-rs-albatross/pull/3666 (x_refsource_MISC)
- https://github.com/nimiq/core-rs-albatross/commit/e0d4e01994f061bf41d3c2835bc74040d3c084f5 (x_refsource_MISC)
- https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-34063?
- CVE-2026-34063 is a high-severity vulnerability in Nimiq Network-libp2p, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2026-04-22.
- How severe is CVE-2026-34063?
- High severity. CVSS v3 base score is 7.5 out of 10.