CVE-2026-61498 VITEC CVE debrief

Who should care

Organizations using Vitec Flamingo 4.12.2 should prioritize patching this vulnerability to prevent potential attacks. The vulnerability's critical severity and ease of exploitation make it a high-risk issue that requires immediate attention.

Technical summary

The CVE-2026-61498 vulnerability is caused by a lack of input sanitization in the graph generation script, which passes user-supplied values directly to shell commands via passthru(). This allows attackers to execute arbitrary OS commands with root privileges due to the web server context having passwordless sudo access. The vulnerability exists in the admin/ajax/gen_graphs.php endpoint and can be exploited by supplying shell metacharacters in the start, end, key, or format HTTP GET parameters.

Defensive priority

High

Recommended defensive actions

• Apply the vendor's official patch for Vitec Flamingo 4.12.2
• Implement input validation and sanitization for user-supplied values
• Restrict access to the admin/ajax/gen_graphs.php endpoint
• Monitor for suspicious activity and implement logging and auditing
• Consider implementing a web application firewall (WAF) to detect and prevent attacks

Evidence notes

The CVE-2026-61498 vulnerability was discovered in Vitec Flamingo 4.12.2. The vulnerability exists in the admin/ajax/gen_graphs.php endpoint and allows remote unauthenticated attackers to execute arbitrary commands by supplying shell metacharacters in the start, end, key, or format HTTP GET parameters. The vulnerability is caused by a lack of input sanitization in the graph generation script, which passes user-supplied values directly to shell commands via passthru().

Official resources