{"id":"CVE-2026-73849","title":"Emlog is an open source website building system","summary":"Emlog is an open source website building system. In 2.6.26 and earlier, install.php accepts action=reinstall without authentication and deliberately skips the already-installed check because the guard runs only when $act != 'reinstall'. …","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-306"],"published":"2026-08-14","updated":"2026-09-16","sourceUpdated":"2026-09-16T13:42:42.870","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73849","references":[{"url":"https://github.com/emlog/emlog/security/advisories/GHSA-v5qq-p8mp-3gxm","label":"security-advisories@github.com"},{"url":"https://github.com/emlog/emlog/security/advisories/GHSA-v5qq-p8mp-3gxm","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00591,"epssPercentile":0.4698,"ingestedAt":"2026-09-16T13:56:12.589Z","slug":"CVE-2026-73849","body":"## Overview\n\nEmlog is an open source website building system. In 2.6.26 and earlier, install.php accepts action=reinstall without authentication and deliberately skips the already-installed check because the guard runs only when $act != 'reinstall'. A remote attacker can submit hostname, dbuser, dbpasswd, dbname, dbprefix, username, password, and email values to cause file_put_contents('config.php', $config) to overwrite the configuration with attacker-controlled database settings and create a new administrator account. No fixed version is available as of this review.\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":0.1,"exploitation":0,"ransomware":0},"changes":[]}