This advisory covers multiple security vulnerabilities affecting Red Hat Quay, specifically version 3.9.20. The vulnerabilities include CVE-2026-4599 and seven additional CVEs, with a combined CVSS vector indicating network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality and integrity. The vendor has released Red Hat Quay 3.9.20 as an update containing bug fixes addressing these issues. The advisory does not detail individual vulnerability technicalities or explicit fixes but references the update as the solution.

The vulnerabilities impact Red Hat Quay 3.9.x installations and potentially allow attackers to compromise confidentiality and integrity without requiring privileges or user interaction. The CVSS vector suggests these issues can be exploited remotely over the network with low complexity. However, no known exploits have been reported in the wild at this time.

Red Hat has released Red Hat Quay 3.9.20 which includes bug fixes addressing these vulnerabilities. Users should apply this update after confirming all previously released relevant errata have been installed. The vendor advisory does not indicate any additional mitigation steps or temporary workarounds.