SCA: security update for org.keycloak:keycloak-core (GHSA-pcv5-m2wh-66j3)

medium Tenable Self-Hosted Container Security Plugin ID 437171

Description

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

- A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching
information about PUBLIC clients (like client secret) without authentication which could be an issue if
the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to
data confidentiality. (CVE-2020-27838)

See Also

https://github.com/advisories/GHSA-pcv5-m2wh-66j3

Plugin Details

Severity: Medium

ID: 437171

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 1/28/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-27838

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/24/2022

Vulnerability Publication Date: 3/8/2021

Reference Information

CVE: CVE-2020-27838

cwe: CWE-287