CVE-2026-9087
Keycloak: Insufficient verification proof scoping enables identity provider account linking attack and account compromise
6.4
MEDIUM
CVSS 3.1
描述
A flaw was found in Keycloak. The cross-session verification proof is keyed only by (local userId, idpAlias) and is not bound to the upstream identity that was actually verified, so a second upstream account on the same IdP can consume it and get linked to the victim's local account.
如何修補 CVE-2026-9087
要修補 CVE-2026-9087,請將受影響套件升級到下列已修補版本。
- Maven/org.keycloak:keycloak-services—升級至 26.6.3 或更新版本
CVE-2026-9087 正在被利用嗎?
目前沒有被利用訊號。CVE-2026-9087 既不在 CISA KEV 也沒有最新的 EPSS 分數。
受影響套件(1)
- from 0, < 26.6.3
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.4 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N |