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Echo: keycloak-25: security update to 25.0.6+e1org.keycloak:keycloak-services: security update to 26.6.3

medium Tenable Self-Hosted Container Security Plugin ID 463325

Description

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

 - A flaw was found in Keycloak. An authenticated user can bypass configured WebAuthn policies during
 credential registration by manipulating client-side JavaScript. This occurs because the server-side
 processAction() fails to validate that the newly created credential's parameters, such as public key
 algorithms, match the realm's configured WebAuthn policies. This could lead to the creation of credentials
 that do not adhere to administrative security requirements, potentially weakening the overall security
 posture of the system by allowing non-compliant authentication methods. (CVE-2026-8830)

Solution

Update the keycloak-25 library and its related packages to version 25.0.6+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-8830

Plugin Details

Severity: Medium

ID: 463325

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2026-8830

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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: 8/30/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-8830