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Echo: keycloak-25: security update to 25.0.6+e1

high Tenable Cloud Security Plugin ID 465878

Description

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

 - A flaw was found in Keycloak. When a JSON Web Encryption (JWE) encrypted request object is submitted,
 Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the
 configured signature policy. This allows a remote attacker to submit unauthorized claims, leading to a
 compromise of data integrity within the OpenID Connect (OIDC) authorization flow. While a redirect URI
 allowlist acts as a compensating control, this vulnerability violates OIDC Core and Financial-grade API
 (FAPI) signing requirements. (CVE-2026-9793)

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-2026-9793

Plugin Details

Severity: High

ID: 465878

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-9793

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-9793