CVE-2026-34065

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-04-22. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

nimiq-primitives contains primitives (e.g., block, account, transaction) to be used in Nimiq's Rust implementation. Prior to version 1.3.0, an untrusted p2p peer can cause a node to panic by announcing an election macro block whose validators set contains an invalid compressed BLS voting key. Hashing an election macro header hashes validators and reaches Validators::voting_keys(), which calls validator.voting_key.uncompress().unwrap() and panics on invalid bytes. The patch for this vulnerability is included as part of v1.3.0. No known workarounds are available.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
29.7%
KEV
Not listed

Published

April 22, 2026

Last Modified

April 24, 2026

Advisory Details (4)

Auto-updated Jun 9, 2026
Patch available. Sources: github_commit, github_pr, github_release, github.
github Patch Available

Peer-triggerable crash via invalid election macro validators voting key hashing announced macro blocks · Advisory · nimiq/core-rs-albatross · GitHub

https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-7c4j-2m43-2mgh
github_release Patch Available

Mainnet 1.3.0

Patch available: nimiq/core-rs-albatross v1.3.0

https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0
github_pr

Fix crash via invalid election macro block validators voting key

Upstream fix in progress (PR #3662 · nimiq/core-rs-albatross, state=closed)

https://github.com/nimiq/core-rs-albatross/pull/3662
github_commit Patch Available

commit e10eaebcd777 (nimiq/core-rs-albatross)

Patch available: nimiq/core-rs-albatross v1.3.0 (contains commit e10eaebcd777)

https://github.com/nimiq/core-rs-albatross/commit/e10eaebcd7774e5da6d0ff5e88ed13503474f0ff

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
rustnimiq-primitives—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
crates.io(1)
PackageVulnerable rangeFixed inDependents
nimiq-primitives———

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 38× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 117 total refreshes for this CVE.

  1. 2026-07-23 03:09 UTCEG score recompute
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-20 17:02 UTCOSV refresh
  6. 2026-07-19 14:31 UTCEPSS rescore
  7. 2026-07-19 02:29 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
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  1. 2026-07-04 06:31 UTCEPSS rescore
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  9. 2026-06-25 13:49 UTCEPSS rescore
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  25. 2026-06-15 17:49 UTCEPSS rescore
  26. 2026-06-15 02:37 UTCGHSA enrichment
  27. 2026-06-14 23:18 UTCEPSS rescore
  28. 2026-06-14 12:28 UTCGHSA enrichment
  29. 2026-06-13 23:00 UTCEPSS rescore
  30. 2026-06-12 23:12 UTCEPSS rescore
  31. 2026-06-12 23:12 UTCEPSS rescore
  32. 2026-06-12 02:41 UTCGHSA enrichment
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  34. 2026-06-11 14:00 UTCEPSS rescore
  35. 2026-06-10 22:18 UTCEPSS rescore
  36. 2026-06-10 16:03 UTCGHSA enrichment
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  38. 2026-06-10 03:53 UTCGHSA enrichment
  39. 2026-06-09 15:44 UTCGHSA enrichment
  40. 2026-06-09 03:36 UTCGHSA enrichment
  41. 2026-06-08 14:17 UTCEPSS rescore
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  43. 2026-06-08 07:14 UTCGHSA enrichment
  44. 2026-06-07 19:06 UTCGHSA enrichment
  45. 2026-06-07 15:25 UTCEPSS rescore
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  47. 2026-06-07 15:25 UTCEPSS rescore
  48. 2026-06-07 06:57 UTCGHSA enrichment
  49. 2026-06-06 18:33 UTCGHSA enrichment
  50. 2026-06-06 13:47 UTCEPSS rescore
  51. 2026-06-06 13:47 UTCEPSS rescore
  52. 2026-06-06 05:16 UTCGHSA enrichment
  53. 2026-06-05 22:47 UTCEPSS rescore
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  55. 2026-06-05 16:44 UTCGHSA enrichment
  56. 2026-06-05 06:10 UTCEPSS rescore
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  58. 2026-06-05 03:17 UTCGHSA enrichment
  59. 2026-06-04 13:12 UTCEPSS rescore
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  61. 2026-06-04 13:00 UTCGHSA enrichment
  62. 2026-06-03 17:06 UTCGHSA enrichment
  63. 2026-06-03 04:57 UTCGHSA enrichment
  64. 2026-06-02 20:13 UTCEPSS rescore
  65. 2026-06-02 15:48 UTCGHSA enrichment
  66. 2026-06-02 03:37 UTCGHSA enrichment
  67. 2026-06-01 14:37 UTCGHSA enrichment
  68. 2026-06-01 13:52 UTCEPSS rescore
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  73. 2026-05-31 00:16 UTCEPSS rescore
  74. 2026-05-31 00:16 UTCEPSS rescore
  75. 2026-05-31 00:16 UTCEPSS rescore

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rust:nimiq-primitives

Frequently asked(5)

What is CVE-2026-34065?
CVE-2026-34065 is a high vulnerability published on April 22, 2026. nimiq-primitives contains primitives (e.g., block, account, transaction) to be used in Nimiq's Rust implementation. Prior to version 1.3.0, an untrusted p2p peer can cause a node to panic by announcing an election macro block whose validators set contains an invalid compressed BLS voting key.…
When was CVE-2026-34065 disclosed?
CVE-2026-34065 was first published in the National Vulnerability Database on April 22, 2026, with the most recent update on April 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34065 actively exploited?
CVE-2026-34065 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34065?
CVE-2026-34065 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-34065?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34065, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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