CVE-2026-25773

Focalboard · Focalboard

Focalboard version 8 is affected by a high-severity vulnerability; however, the product was designated as unsupported at the time the CVE was assigned.

Executive summary

Focalboard version 8 contains a high-risk vulnerability and is no longer supported by the vendor, leaving users exposed to unpatchable security risks.

Vulnerability

The vulnerability affects Focalboard, an open-source project management tool. Because the software was "UNSUPPORTED WHEN ASSIGNED," the specific technical details of the flaw may not be fully documented, but the CVSS score of 8.1 indicates a severe risk of unauthorized access or data manipulation.

Business impact

The business impact is elevated because the software is End-of-Life (EOL). A successful exploit could lead to the total compromise of project management data, including sensitive timelines and internal communications, with no official patch forthcoming to resolve the issue.

Remediation

Immediate Action: Since the product is unsupported, the primary recommendation is to migrate to a supported project management alternative immediately.

Proactive Monitoring: If migration cannot occur instantly, monitor the server hosting Focalboard for any signs of unauthorized file access or anomalous network traffic.

Compensating Controls: Place the Focalboard instance behind a VPN and restrict access to a very small group of trusted users to minimize the attack surface.

Exploitation status

Public Exploit Available: false

Analyst recommendation

The use of unsupported software presents an unacceptable risk to organization security. Immediate decommissioning of Focalboard version 8 and migration to a maintained platform is the only way to ensure long-term protection against this and future vulnerabilities.