CVE-2026-40323
Low
Low
Medium
High
Critical
CVSS Score
Vulnerability Description
SP1 is a zero‑knowledge virtual machine that proves the correct execution of programs compiled for the RISC-V architecture. In versions 6.0.0 through 6.0.2, a soundness vulnerability in the SP1 V6 recursive shard verifier allows a malicious prover to construct a recursive proof from a shard proof that the native verifier would reject. Version 6.1.0 fixes the issue.
Severity Details
out of 10.0
Low
Weakness Type (CWE)
CWE-345
Insufficient Verification of Data Authenticity
- Description
- The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
- Typical Severity
- Medium
- Abstraction Level
- Class
Key Information
- Published Date
- April 18, 2026
