CVE-2026-34061: Macro block proposal interlink bug

Macro block proposal interlink bug

F-NIMIQ-INTERLINK-001

Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.

Recorded evidence

4.9medium

CVE-2026-34061CVEnimiq/core-rs-albatross

Macro block proposal interlink bug

Fixed in: nimiq-blockchain v1.3.0

patched

details

Finding IDs: F-NIMIQ-INTERLINK-001
CVE: CVE-2026-34061
GHSA: GHSA-gr83-j5f8-p2r5
Status: patched
Fixed in: nimiq-blockchain v1.3.0
Recorded credit: finder: @1seal
Note: GHSA-gr83-j5f8-p2r5; patched in v1.3.0 via PR #3668
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVE registry state: PUBLISHED
CVE state checked: 23 Sep 2026
Upstream title: Macro block proposal interlink bug
Upstream CWE: CWE-345
Upstream publication: 2 Apr 2026
Upstream updated: 2 Apr 2026
Metadata fetched: 23 Sep 2026
Upstream @1seal credit: @1seal: finder (accepted)

F-NIMIQ-INTERLINK-001: Verification failures. Macro block proposal verification omits the interlink commitment check. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-NIMIQ-INTERLINK-001

Security area (1seal assessment): Integrity. Macro block proposal verification omits the interlink commitment check. Reviewed 24 Sep 2026.

Clarify or correct this record privately. The email subject includes the finding ID. For an existing case, continue the agreed private thread. Do not post unpublished vulnerability details in public issues. Research disclosure policy.

How this page groups evidence

This identifier groups recorded evidence; it is not an additional CVE, independent-vulnerability count or guarantee of vendor confirmation. Fixed code, released versions, attribution and independent discovery are distinct claims. Absent metadata means not recorded, not disproved. Counting rules.