Detections
Analytics

Echo: org.keycloak:keycloak-services: security update to 26.6.3

high Tenable Cloud Security Plugin ID 459860

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-9087)

Solution

Update the org.keycloak:keycloak-services library and its related packages to version 26.6.3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-9087

Plugin Details

Severity: High

ID: 459860

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.66

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2026-9087

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 5/20/2026

Reference Information

CVE: CVE-2026-9087