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EUVD-2026-369895

fkie_cve-2026-45794

Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the anonymous Push Notification SNS callback handled by SnsMessageResource falls back to a CTS predicate blob after a messageId expires from the in-memory dispatcher, treats top-level blob keys as Java class names for Class.forName, and deserializes attacker-controlled JSON through Jackson. A low-privileged user who starts Push Registration and obtains the messageId, shared secret, and challenge can wait for expiry, replace the persistent blob through anonymous callbacks, and trigger class loading and construction in the OpenAM JVM. The primitive can cause classpath-dependent process execution, file writes, or denial of service, although command execution was not confirmed on the tested stock classpath. This issue is fixed in version 16.1.1.

GHSA-pp89-732f-3g8q — OpenAM has Unsafe Java Deserialization via SNS

Affected: Maven: org.openidentityplatform.openam:openam-push-notification

## Summary

**Description**

A Deserialization of Untrusted Data (CWE-502) issue exists in OpenAM's Push Notification SNS callback resource. The REST route that handles SNS push messages is mounted with anonymous access and, when a supplied message identifier has expired from the in-memory dispatcher, falls back to a CTS-stored predicate blob whose top-level keys are treated as Java class names and passed to Class.forName(...) before attacker-controlled JSON is deserialized via Jackson. This impacts OpenAM Community Edition through version 16.0.6. This issue was patched in version 16.1.1.

Arbitrary attacker-controlled code execution was not confirmed on tested stock classpaths for the latest release, but the flaw yields a reliable class-loading and Jackson-construction primitive whose impacts include remotely triggerable process execution, file writes, and DoS, depending on the deployment's classpath and environment.

## Impact OpenAM Community Edition deployments through version 16.0.6 that enable the Push Notification Service with SNS callbacks are potentially affected. While the callback route itself is anonymous, the planting step requires a low-privileged user who can start Push Registration and read their own QR-code payload. After that user obtains the server-issued messageId, shared secret, and challenge, they can wait for the in-memory dispatcher entry to expire and then send anonymous SNS callbacks that overwrite the persistent CTS blob with attacker-controlled JS…

UBUNTU-CVE-2026-45794

Affected: Ubuntu:16.04:LTS: openam