What is CVE-2026-40093?

CVE-2026-40093 is a high-severity vulnerability in Nimiq Core-rs-albatross, classified under Improper Validation of Specified Quantity in Input. CVSS score: 8.1/10. Published 2026-04-09.

How severe is CVE-2026-40093?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Nimiq Core-rs-albatross

CVE-2026-40093

nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In 1.3.0 and earlier, block timestamp validation enforces that timestamp >= parent.timestamp for non-skip blocks and timestamp == parent.timestamp + MIN_PR…

EPSS: 0.000 (7.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Nimiq Core-rs-albatross — versions <= 1.3.0

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-49xc-52mp-cc9j (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-40093?: CVE-2026-40093 is a high-severity vulnerability in Nimiq Core-rs-albatross, classified under Improper Validation of Specified Quantity in Input. CVSS score: 8.1/10. Published 2026-04-09.
How severe is CVE-2026-40093?: High severity. CVSS v3 base score is 8.1 out of 10.