Veille CVE
CVE-2026-111622
6.8 MoyenneDescription
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.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 4.0 | 7.6 Élevée | disclosure@vulncheck.com | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| 3.1 | 6.8 Moyenne | disclosure@vulncheck.com | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |
Faiblesses (CWE)
Références
- https://github.com/a466350665/smart-sso
- https://github.com/a466350665/smart-sso/blob/1.6.0/smart-sso-server/src/main/java/openjoe/smart/sso/server/controller/LoginController.java#L50-L59
- https://github.com/a466350665/smart-sso/blob/1.6.0/smart-sso-server/src/main/java/openjoe/smart/sso/server/controller/Oauth2Controller.java#L55-L84
- https://github.com/a466350665/smart-sso/blob/2.1.1/smart-sso-server/src/main/java/com/smart/sso/server/controller/LoginController.java#L53-L63
- https://hackmd.io/@hieuPenguinnn/smart-sso-oauth2-code-leak-open-redirect
- https://www.vulncheck.com/advisories/smart-sso-through-2.1.1-oauth2-authorization-code-theft-via-unvalidated-redirecturi
- https://hackmd.io/@hieuPenguinnn/smart-sso-oauth2-code-leak-open-redirect