CVE-2026-40583

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Source
https://cve.org/CVERecord?id=CVE-2026-40583
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40583.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40583
Aliases
  • GHSA-q8wx-2crx-c7pp
Published
2026-04-21T16:57:42Z
Modified
2026-10-05T02:46:06Z
Severity
  • 8.8 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/U:Red CVSS Calculator
Summary
UltraDAG: SmartOp Vote Path Triggers Fatal Supply Invariant Halt
Details

UltraDAG is a minimal DAG-BFT blockchain in Rust. In version 0.1, a non-council attacker can submit a signed SmartOp::Vote transaction that passes signature, nonce, and balance prechecks, but fails authorization only after state mutation has already occurred.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-460",
        "CWE-696"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40583.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "= 0.1"
                },
                {
                    "last_affected": "= 0.1"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/ultradagcom/core

Affected ranges

Type
GIT
Repo
https://github.com/ultradagcom/core
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
2f5a3a237ea519b48d71e6e3093c89f60694c7be
Fixed
45bcf7064741897319b6196d3d9f9e1307093511
Database specific
Show details 
{
    "source": "REFERENCES"
}

Affected versions

Other
latest
v0.*
v0.1.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40583.json"