MEDIUMCVSS v3.1 6.8Vulnerability

CVE-2026-111622

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.00429
Cvss score
6.8
Cvss severity
MEDIUM
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
6.8
Cvss version
3.1
Cve id
CVE-2026-111622
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Published at
2026-10-16T18:17:41.980
Last modified
2026-10-16T20:17:20.827
Epss percentile
0.35783

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]URL Redirection to Untrusted Site ('Open Redirect')

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CVE-2026-111622 (CVSS v3.1 6.8) — Ninja Signal Threat Intelligence | Ninja Signal