Redis Security Advisory Addresses Multiple Vulnerabilities

Severity: High (Score: 60.6)

Sources: redis.io, Cyber.Gc.Ca

Summary

On May 5, 2026, Redis published a security advisory detailing five vulnerabilities, including CVE-2026-23479, CVE-2026-25243, CVE-2026-25588, CVE-2026-25589, and CVE-2026-23631. These vulnerabilities could allow remote code execution (RCE) if an attacker gains authenticated access to a Redis instance. Redis Cloud customers are already protected as their instances have been upgraded. However, self-managing users must upgrade to the latest versions to mitigate risks. The advisory emphasizes best practices for securing Redis deployments. As of the publication, there is no evidence of exploitation of these vulnerabilities. The Redis community acknowledges the researchers who reported these issues. The advisory serves as a crucial reminder for users to maintain their security posture. Key Points: • Five critical vulnerabilities in Redis have been identified and addressed. • Remote code execution is possible if attackers gain authenticated access. • Self-managing users must upgrade to the latest versions to remain secure.

Key Entities

• CVE-2026-23631 (cve)
• CVE-2026-25588 (cve)
• zeroday.cloud (domain)
• Redis (platform)
• Redis Cloud (platform)