The vulnerability CVE-2026-27334 in dan_fisher Alchemists arises from insufficient validation of filenames used in PHP include or require statements, enabling local file inclusion attacks. This can allow an unauthenticated remote attacker to execute arbitrary local files on the server. The affected versions include all releases up to 4.6.0. The CVSS v3.1 base score is 8.1, reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No patch or vendor advisory is currently available, and the product is not a cloud service.

Successful exploitation of this vulnerability could lead to arbitrary local file inclusion, allowing attackers to execute code or access sensitive files on the affected server. This results in high impact on confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider applying manual code reviews or temporary mitigations such as restricting file inclusion paths or disabling remote file inclusion in PHP configuration if applicable. Monitor vendor channels for updates.