HIGHnpm

Better Auth has insecure cryptographic defaults in oidcProvider: alg=none advertised and plain PKCE accepted by default

Better Auth has insecure cryptographic defaults in oidcProvider: alg=none advertised and plain PKCE accepted by default

CVE-2026-67336Published 4 weeks agoUpdated 3 days agoSource: OSV

Affected packages

  • better-auth

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
0.16%
EPSS percentile
5.5%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 5%.

Better Auth has insecure cryptographic defaults in oidcProvider: alg=none advertised and plain PKCE accepted by default | HackTribune