iden3 snarkjs through 0.6.11 allows double spending because there is no validation that the publicSignals length is less than the field modulus. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Authentication Bypass
Snarkjs
NVD
GitHub
CVSS 3.1
7.5
EPSS
0.6%