{"id":"CVE-2026-113600","title":"Fat Free CRM before 0.26.0 IDOR via CommentsController update and destroy","summary":"Fat Free CRM before 0.26.0 contains an insecure direct object reference vulnerability that allows authenticated users to modify or delete other users' comments because CommentsController#update and #destroy use an unscoped Comment.find w…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-639"],"vendor":"fatfreecrm","product":"fat_free_crm","affected":["fat_free_crm < 0.26.0"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T15:40:28.303Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113600","references":[{"url":"https://github.com/fatfreecrm/fat_free_crm/issues/1650"},{"url":"https://github.com/fatfreecrm/fat_free_crm/commit/3c3199328dd10414b1f039ab8e4a82fe0f3baf87"},{"url":"https://github.com/fatfreecrm/fat_free_crm/releases/tag/v0.26.0","label":"fat_free_crm v0.26.0 Release Notes"},{"url":"https://github.com/fatfreecrm/fat_free_crm/blob/v0.25.0/app/controllers/comments_controller.rb"},{"url":"https://www.vulncheck.com/advisories/fat-free-crm-before-0.26.0-idor-via-commentscontroller-update-and-destroy","label":"VulnCheck Advisory: Fat Free CRM before 0.26.0 IDOR via CommentsController update and destroy"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T16:10:53.304Z","slug":"CVE-2026-113600","body":"## Overview\n\nFat Free CRM before 0.26.0 contains an insecure direct object reference vulnerability that allows authenticated users to modify or delete other users' comments because CommentsController#update and #destroy use an unscoped Comment.find without authorization checks. Attackers can send PUT or DELETE requests to /comments/:id with enumerable sequential IDs to edit or delete comments on contacts, accounts, leads, and opportunities owned by others.\n\n## Affected\n\n- `fat_free_crm < 0.26.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}