Unchecked Return Value Affecting nimiq-keys package, versions <1.4.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUST-NIMIQKEYS-16874151
- published25 May 2026
- disclosed15 May 2026
- creditPiravlos
Introduced: 15 May 2026
NewCVE-2026-40092 (opens in a new tab)How to fix?
Upgrade nimiq-keys to version 1.4.0 or higher.
Overview
Affected versions of this package are vulnerable to Unchecked Return Value via the TaggedPublicKey::verify process. An attacker can cause a remote node to panic by submitting a crafted Kademlia DHT record containing a TaggedSigned<ValidatorRecord, KeyPair> with a signature field whose byte length is not exactly 64.