CVE-2026-40583
highpriority · track · 33EPSS 0.004 · 31 %ileEUUSEPSS · scored 2026-10-26
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.7–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://github.com/UltraDAGcom/core/tagsPatchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-40583cnnvd
- https://github.com/UltraDAGcom/core/commit/2f5a3a237ea519b48d71e6e3093c89f60694c7beenisa_euvd
- https://github.com/UltraDAGcom/core/commit/45bcf7064741897319b6196d3d9f9e1307093511enisa_euvd
- https://github.com/UltraDAGcom/core/security/advisories/GHSA-q8wx-2crx-c7ppenisa_euvd
- https://github.com/UltraDAGcom/core/commit/2f5a3a237ea519b48d71e6e3093c89f60694c7bePatchnvd
- https://github.com/UltraDAGcom/core/commit/45bcf7064741897319b6196d3d9f9e1307093511Patchnvd
- https://github.com/UltraDAGcom/core/security/advisories/GHSA-q8wx-2crx-c7ppExploitMitigationVendor Advisorynvd
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