Red Hat Multicluster Global Hub 1.7.0 vulnerabilities

3 CVEs affecting Red Hat Multicluster Global Hub 1.7.0, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-27145, published 2026-06-02.

More from Red Hat.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-46384, published 2026-05-29. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, several Avro decoder paths read attacker-controlled 64-bit values from the wire format and either narrowed them to platform-sized int before…
• CVE-2026-46385, published 2026-05-29. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, the Avro array and map decoders looped over an attacker-controlled block-count value without checking the underlying reader's error state…
• CVE-2026-27145, published 2026-06-02. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. (*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries. This caused strings.Split(host, ".") to execute repeatedly on the…