Deserialization of Untrusted Data Affecting amazon-braket-sdk package, versions [1.10.0,1.117.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Jun 2026
- disclosed22 May 2026
- creditUnknown
Introduced: 22 May 2026
CVE-2026-9291 (opens in a new tab)How to fix?
Upgrade amazon-braket-sdk to version 1.117.0 or higher.
Overview
amazon-braket-sdk is an An open source library for interacting with quantum computing devices on Amazon Braket
Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the deserialize_values() function in job results processing component. An attacker can execute arbitrary code by uploading a crafted payload with modified dataFormat field to the S3 job output bucket, which is then deserialized by the system when processing job results.
Details
Serialization is a process of converting an object into a sequence of bytes which can be persisted to a disk or database or can be sent through streams. The reverse process of creating object from sequence of bytes is called deserialization. Serialization is commonly used for communication (sharing objects between multiple hosts) and persistence (store the object state in a file or a database). It is an integral part of popular protocols like Remote Method Invocation (RMI), Java Management Extension (JMX), Java Messaging System (JMS), Action Message Format (AMF), Java Server Faces (JSF) ViewState, etc.
Deserialization of untrusted data (CWE-502) is when the application deserializes untrusted data without sufficiently verifying that the resulting data will be valid, thus allowing the attacker to control the state or the flow of the execution.