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9.8 Critical

CVE-2026-31072 The JSONSerializer and CBORSerializer in APScheduler (all versions including 3.10.x and 4.0.0a5) are vulnerable to…

Description

The JSONSerializer and CBORSerializer in APScheduler (all versions including 3.10.x and 4.0.0a5) are vulnerable to Remote Code Execution (RCE) via Insecure Deserialization. The unmarshal_object function allows for arbitrary class instantiation and state injection by dynamically importing modules and calling __setstate__ on any class available in the Python environment. An attacker can exploit this by submitting a specially crafted JSON or CBOR payload to an application using these serializers

Affected products and versions

Product Affected versions Fixed in
n/a Versions not published
Red Hat Ansible Automation Platform 2 Versions not published
Red Hat OpenStack Platform 18.0 Versions not published
Red Hat Quay 3 Versions not published
Red Hat Satellite 6 Versions not published

References

Timeline

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