Token validation methods are susceptible to a timing side-channel during HMAC comparison. With a large enough number of requests over a low latency connection, an attacker may use this to determine the expected HMAC.
{
"nvd_published_at": "2022-12-27T22:15:00Z",
"github_reviewed_at": "2022-12-30T19:33:01Z",
"cwe_ids": [
"CWE-668"
],
"severity": "HIGH",
"github_reviewed": true
}