CVE-2022-1245

CRITICAL9.8EPSS 0.43%

Keycloak vulnerable to privilege escalation on Token Exchange feature

Published: 4/26/2022Modified: 3/13/2026

Description

A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the client_id of the target. This could allow a client to gain unauthorized access to additional services.

Affected packages (1)

Maven/org.keycloak:keycloak-servicesfrom 0, < 18.0.0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	CRITICAL9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (4)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-1245
PATCHhttps://github.com/keycloak/keycloak
WEBhttps://github.com/keycloak/keycloak/commit/76d83f46fad94ebcbedaa49e6daad458e2894e52
WEBhttps://github.com/keycloak/keycloak/security/advisories/GHSA-75p6-52g3-rqc8