CVE-2026-112332

Motor.NET before 0.19.0 contains an uncaught exception vulnerability in JsonNetDeserializer.Deserialize that allows a remote attacker who can publish to a consumed queue or topic to crash the service permanently by sending structurally valid JSON that does not match the handler's expected type. Attackers can exploit the fact that JsonSerializationException is not caught alongside JsonReaderException and InvalidCastException, causing TypedConsumerService.SingleMessageConsumeAsync to treat the error as CriticalFailure and call StopApplication, which combined with the unacknowledged message being redelivered on restart results in a permanent crash-loop.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/GDATASoftwareAG/motornet/commit/d5aee7db8e0de3cec95bf8744c499c2ff6019c0c
https://github.com/GDATASoftwareAG/motornet/pull/1785
https://github.com/GDATASoftwareAG/motornet/releases/tag/v0.19.0
https://www.vulncheck.com/advisories/motor-net-denial-of-service-via-jsonnet-deserialization

Configurations

No configuration.

History

22 Oct 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-22 20:17

Updated : 2026-10-29 04:18

NVD link : CVE-2026-112332

Mitre link : CVE-2026-112332

CVE.ORG link : CVE-2026-112332

JSON object : View

Products Affected

No product.

CWE

CWE-755

Improper Handling of Exceptional Conditions

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