{"id":"CVE-2026-80138","title":"ClipBucket V5's web installer fails to properly validate or escape the php_cli_filepath parameter before passing it to shell execution","summary":"ClipBucket V5's web installer fails to properly validate or escape the php_cli_filepath parameter before passing it to shell execution. Unauthenticated attackers can submit a crafted POST request to the installer with a malicious php_cli…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"published":"2026-08-25","updated":"2026-09-24","sourceUpdated":"2026-09-24T20:43:32.537","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80138","references":[{"url":"https://github.com/MacWarrior/clipbucket-v5","label":"disclosure@vulncheck.com"},{"url":"https://github.com/MacWarrior/clipbucket-v5/blob/5.5.3-%23153/upload/cb_install/functions_install.php","label":"disclosure@vulncheck.com"},{"url":"https://github.com/MacWarrior/clipbucket-v5/blob/5.5.3-%23153/upload/includes/classes/system.class.php","label":"disclosure@vulncheck.com"},{"url":"https://github.com/MacWarrior/clipbucket-v5/commit/36e7c6cfd81f62a091d2aeef96a8fc2fc2d85dc4","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/clipbucket-v5-5.5.1-through-5.5.3-153-os-command-injection-via-installer-php-cli-filepath-parameter","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.01197,"epssPercentile":0.66741,"ingestedAt":"2026-09-24T20:51:40.228Z","slug":"CVE-2026-80138","body":"## Overview\n\nClipBucket V5's web installer fails to properly validate or escape the php_cli_filepath parameter before passing it to shell execution. Unauthenticated attackers can submit a crafted POST request to the installer with a malicious php_cli_filepath value to execute arbitrary commands as the web server user.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}