CVE-2026-67335

better-auth versions before 1.6.2 fail to validate the OAuth state parameter against the stored nonce when using cookie-backed state storage without PKCE. Attackers can forge the state parameter and supply an attacker-controlled authorization code to create authenticated sessions bound to the...

@agent-native/core (>=0.26.5, <=0.47.1), @agentcorporation/server (>=0.3.3, <=0.3.13) +188 more potentially affected by CVE-2026-67335 via better-auth (>=1.0.0, <=1.6.1)

better-auth NPM version =1.0.0, =0.26.5, =0.3.3, =1.0.35, =1.0.35, =1.0.35, =1.0.35, =1.0.35, =2026.324.0-canary.0, =0.0.2, =2026.501.0, =2026.501.0, =0.0.7, =1.0.0-canary.2, =1.3.27, =1.3.37 and more Source cves: CVE-2026-67335 Source advisory: OSV:GHSA-WXW3-Q3M9-C3JR...