CVEvulnerability
CVE-2026-40583
8.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-21
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.8 HIGH — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Red
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Weaknesses
- CWE-460, CWE-696
Description
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.
Affected configurations
• ultradag ultradag 0.1.0
Related
References
- https://github.com/UltraDAGcom/core/commit/2f5a3a237ea519b48d71e6e3093c89f60694c7be Patch
- https://github.com/UltraDAGcom/core/commit/45bcf7064741897319b6196d3d9f9e1307093511 Patch
- https://github.com/UltraDAGcom/core/security/advisories/GHSA-q8wx-2crx-c7pp Exploit, Mitigation, Vendor Advisory
- https://github.com/UltraDAGcom/core/security/advisories/GHSA-q8wx-2crx-c7pp Exploit, Mitigation, Vendor Advisory