CVE-2026-40093

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Source
https://cve.org/CVERecord?id=CVE-2026-40093
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40093.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40093
Aliases
Published
2026-04-09T20:29:46Z
Modified
2026-08-12T03:51:21Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
Summary
nimiq-blockchain is missing a wall-clock upper bound on block timestamps
Details

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_PRODUCER_TIMEOUT for skip blocks, but there is no visible upper bound check against the wall clock. A malicious block-producing validator can set block timestamps arbitrarily far in the future. This directly affects reward calculations via Policy::supply_at() and batch_delay() in blockchain/src/reward.rs, inflating the monetary supply beyond the intended emission schedule.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-1284"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40093.json"
}
References

Affected packages

Git / github.com/nimiq/core-rs-albatross

Affected ranges

Type
GIT
Repo
https://github.com/nimiq/core-rs-albatross
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5bd15d9af710abeecdfb63d0a721dc883efb59c4
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:nimiq:nimiq_proof-of-stake:*:*:*:*:*:rust:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.3.0"
        },
        {
            "fixed": "1.3.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

v0.*
v0.1.0
v0.1.0-rc.0
v0.1.0-rc.1
v0.1.0-rc.2
v0.1.0-rc.3
v0.10.0
v0.11.0
v0.11.1
v0.11.2
v0.11.3
v0.11.4
v0.11.5
v0.12.0
v0.12.1
v0.13.0
v0.13.1
v0.14.0
v0.15.0
v0.16.0
v0.16.1
v0.17.0
v0.18.0
v0.19.0
v0.2.0
v0.2.1
v0.2.2
v0.20.0
v0.20.1
v0.20.2
v0.20.3
v0.20.4
v0.20.5
v0.21.0
v0.21.1
v0.22.0
v0.22.1
v0.22.2
v0.22.3
v0.23.0
v0.24.0
v0.24.1
v0.24.2
v0.24.3
v0.24.4
v0.3.0
v0.3.1
v0.3.2
v0.3.3
v0.4.0
v0.4.1
v0.5.0
v0.5.1
v0.5.2
v0.5.3
v0.5.4
v0.6.0
v0.7.0
v0.8.0
v0.8.1
v0.8.2
v0.8.3
v0.9.0
v1.*
v1.0.0
v1.0.0-rc.0
v1.0.0-rc.1
v1.0.0-rc.2
v1.0.0-rc.3
v1.0.0-rc.4
v1.0.0-rc.5
v1.0.1
v1.0.2
v1.0.3
v1.0.4
v1.0.5
v1.0.6
v1.0.7
v1.0.8
v1.0.9
v1.1.0
v1.1.1
v1.2.0
v1.2.1
v1.2.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40093.json"