{"id":"CVE-2026-65828","title":"Zammad is a web based open source helpdesk/customer support system","summary":"Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the legacy destroy_form action on AttachmentsController deletes UploadCache Store records based solely on a user-supplied form_id without verifying that …","severity":"low","cvss":2.3,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","cwe":["CWE-862"],"vendor":"zammad","product":"zammad","affected":["zammad < 7.1.2"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T19:17:55.830","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-65828","references":[{"url":"https://github.com/zammad/zammad/commit/3b755736fdbee8ff6ddf53661d6912d3d3028325","label":"security-advisories@github.com"},{"url":"https://github.com/zammad/zammad/security/advisories/GHSA-x4f3-367g-m93g","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-25T18:38:49.403514Z"},"cvssSource":"cna","ingestedAt":"2026-09-25T18:14:20.405Z","slug":"CVE-2026-65828","body":"## Overview\n\nZammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the legacy destroy_form action on AttachmentsController deletes UploadCache Store records based solely on a user-supplied form_id without verifying that the requesting user owns those records. An authenticated attacker who learns another user's pending-upload UUID can silently remove temporary file uploads before the victim submits their ticket or article. This issue is fixed in version 7.1.2.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":13,"depthScoreParts":{"impact":12.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}