ClipBucket V5's web installer fails to properly validate or escape the phpclifilepath parameter before passing it to shell execution. Unauthenticated attackers can submit a crafted POST request to the installer with a malicious phpclifilepath value to execute arbitrary commands as the web server user.
{
"cwe_ids": [
"CWE-78"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80138.json"
}