CVE-2026-66567

Summary

A critical PHP object injection vulnerability allows unauthenticated attackers to inject arbitrary PHP objects into the application, leading to remote code execution, data compromise, and full system access. This affects Anesta versions up to 1.5.3.

Exploitability

Exploitation is straightforward with no authentication required, though it may depend on specific object serialization patterns in the target application.

Blast radius

The vulnerability could impact all installations running Anesta 1.5.3 or earlier, potentially allowing attackers to execute arbitrary code, steal sensitive data, and compromise entire systems.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Upgrade to Anesta version 1.5.4 or later to remediate this vulnerability.

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.