Detections
Analytics

SCA: security update for org.keycloak:keycloak-services (GHSA-cpf7-j4cf-vqx4)

medium Tenable Cloud Security Plugin ID 444278

Description

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

 - A flaw was found in Keycloak's ClientRegistrationAuth component. A remote unauthenticated attacker can
 exploit this vulnerability by sending a specially crafted POST request with a malformed 'Authorization:
 Bearer' header to any client registration endpoint. This can lead to an ArrayIndexOutOfBoundsException,
 causing the server to return an HTTP 500 error and resulting in a Denial of Service (DoS) for the affected
 service. (CVE-2026-9803)

Solution

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

See Also

https://github.com/advisories/GHSA-cpf7-j4cf-vqx4

Plugin Details

Severity: Medium

ID: 444278

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 7/2/2026

Updated: 7/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-9803

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/28/2026

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-9803

cwe: CWE-125