Vulnerability in Red Hat Service Interconnect 2

CVE-2026-88763

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.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-88763?
CVE-2026-88763 is a medium-severity vulnerability in Red Hat Service Interconnect 2, classified under Uncontrolled Recursion. CVSS score: 5.9/10. Published 2026-09-10.
How severe is CVE-2026-88763?
Medium severity. CVSS v3 base score is 5.9 out of 10.