Vulnerability in skupper-router Component of Red Hat Service Interconnect
CVE-2026-88763

5.9MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Service Interconnect 2
Vendor
CVE Published:
10 September 2026

What is CVE-2026-88763?

A flaw exists in the skupper-router component of Red Hat Service Interconnect, affecting secure communications between distributed services. This vulnerability arises when a specially crafted network message is processed using the AMQP field parser. The issue stems from an unbounded recursion during parsing, which can deplete stack memory, ultimately resulting in a denial of service across the interconnected network.

References

https://access.redhat.com/security/cve/CVE-2026-88763
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2531301
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Gjoko Krstic (Zero Science Lab) for reporting this issue.
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