Improper Authentication Affecting org.openidentityplatform.openam:openam-oauth2 package, versions [,16.1.1)
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Test your applications- Snyk IDSNYK-JAVA-ORGOPENIDENTITYPLATFORMOPENAM-17728409
- published30 Jun 2026
- disclosed29 Jun 2026
- creditUnknown
Introduced: 29 Jun 2026
NewCVE-2026-47426 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade org.openidentityplatform.openam:openam-oauth2 to version 16.1.1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Authentication via the private_key_jwt authentication process. An attacker can generate access tokens as another client by exploiting the JWKS resolver cache, without possessing the victim's signing key, if the target client has its key published via jwks_uri.