Red Hat Service Interconnect skupper-router recursion

Summaryinfo

A vulnerability classified as problematic was found in Red Hat Service Interconnect. The affected element is an unknown function of the component skupper-router. Executing a manipulation can lead to recursion. This vulnerability appears as CVE-2026-88763. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Red Hat Service Interconnect (version unknown). This vulnerability affects an unknown function of the component skupper-router. The manipulation with an unknown input leads to a recursion vulnerability. The CWE definition for the vulnerability is CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. As an impact it is known to affect availability. CVE summarizes:

A flaw was found in the skupper-router component of Red Hat Service Interconnect, which is used to provide secure communication between distributed services. The issue occurs when the router processes a specially crafted network message using its AMQP field parser. Due to a lack of bounds on recursion during parsing, the router can run out of stack memory and crash, leading to a denial of service for the interconnected network.

The advisory is shared for download at access.redhat.com. This vulnerability was named CVE-2026-88763 since 09/10/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Red Hat

Name

• Service Interconnect

License

• open-source

Website

• Vendor: https://www.redhat.com/

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