CVEvulnerability

CVE-2026-46389

9.8 CRITICAL Published 2026-06-05 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-06-05
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-287, CWE-303

Description

UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS Core's Identity deployment. In versions 0.11.0 through 0.26.0, a logic error in the `client-kubernetes-secret` Keycloak client authenticator (shipped by `uds-identity-config` and consumed by UDS Core) causes the submitted `client_secret` to be overwritten with the mounted Kubernetes secret before comparison. An attacker who can reach the Keycloak token endpoint and knows a `client_id` using this authenticator can authenticate as that client with any `client_secret` value and obtain OAuth2 tokens scoped to the client's service account. In the case of the `uds-operator` client this token can be used to registry/modify other clients. Version 0.26.1 patches the issue.

Affected configurations

• defenseunicorns uds identity config (>= 0.11.0 < 0.26.1)

Related

Weakness · CWE (2)

  • CWE-287 Improper Authentication weakness
  • CWE-303 Incorrect Implementation of Authentication Algorithm weakness

References