CVE-2026-111622 — smart-sso through 2.1.1 OAuth2 Authorization Code Theft via Unvalidated redirectUri
smart-sso through 2.1.1 contains an open redirect vulnerability in the /login handler that allows unauthenticated attackers to steal OAuth2 authorization codes by supplying an u…
Published: 2026-10-16 · CVSS: 7.6 · CVSS 4.0
smart-sso through 2.1.1 contains an open redirect vulnerability in the /login handler that allows unauthenticated attackers to steal OAuth2 authorization codes by supplying an unvalidated redirectUri parameter. Attackers can send crafted /login links to users with active SSO sessions, then redeem stolen codes at /oauth2/access_token with any valid client credentials to obtain victims' access tokens.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7