PatchTheCVECVE-2026-34061: nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross c
CVE-2026-34061 is a medium-severity flaw (CVSS 4.9) affecting nimiq proof-of-stake. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an elected validator proposer can send an election macro block whose header.interlink does not match the canonical next interlink. Honest validators accept that proposal in verify_macro_block_proposal() because the proposal path validates header shape, successor relation, proposer, body root, an
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-345 |
| Published | 2026-04-03 |
| Last modified | 2026-07-24 |
Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-34061?
nimiq proof-of-stake: upgrade to newer than 1.2.2. Exact commands for each OS are on this page.
Is CVE-2026-34061 being exploited?
CVE-2026-34061 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-34061 affect?
CVE-2026-34061 affects nimiq proof-of-stake. Severity is medium (CVSS 4.9). nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an elected validator proposer can send an election macro block whose header.interlink
How urgent is CVE-2026-34061?
Priority 19/100. No elevated risk signals yet.
Related CVEs
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- CVE-2026-34068 MEDIUM 6.8 UPGRADE nimiq-transaction provides the transaction primitive to be used in Nimiq's Rust implementation
- CVE-2026-34067 LOW 3.1 UPGRADE nimiq-transaction provides the transaction primitive to be used in Nimiq's Rust implementation
- CVE-2026-32605 HIGH 7.5 UPGRADE nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross c