6.9 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
44.9%
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.
github.com/robbert229/jwt/commit/ca1404ee6e83fcbafb66b09ed0d543850a15b654
github.com/robbert229/jwt/issues/12
pkg.go.dev/vuln/GO-2020-0023