CVE-2026-111622
Medium
Description
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.
SeverityMedium
CVSS6.8
Exploit probability—
ProductA466350665 Smart-sso
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-601Open redirect
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| a466350665 smart-sso | v ≤ 2.1.1 | — |
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