SCA: security update for org.keycloak:keycloak-saml-adapter-core, org.keycloak:keycloak-saml-core, org.keycloak:keycloak-services (GHSA-xv6h-r36f-3gp5)

medium Tenable Cloud Security Plugin ID 439000

Description

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

- A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial
of Service (DoS) by sending a highly compressed SAMLRequest through the SAML Redirect Binding. The server
fails to enforce size limits during DEFLATE decompression, leading to an OutOfMemoryError (OOM) and
subsequent process termination. This vulnerability allows an attacker to disrupt the availability of the
service. (CVE-2026-2575)

Solution

Update the org.keycloak:keycloak-saml-adapter-core library and its related packages to version 26.5.4 or later.

Plugin Details

Severity: Medium

ID: 439000

Version: Revision 1.10

Type: Local

Family: SCA Checks

Published: 3/19/2026

Updated: 7/2/2026

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

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-2026-2575

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: 3/18/2026

Vulnerability Publication Date: 3/12/2026

Reference Information

CVE: CVE-2026-2575

cwe: CWE-409

Detections

Analytics