{"id":"CVE-2026-119661","title":"ShowDoc through 3.9.5 Authorization Bypass via paramDescLib deleteEntries","summary":"ShowDoc through 3.9.5 contains an authorization bypass vulnerability in the api/paramDescLib/deleteEntries endpoint that checks edit permission only for the first supplied entry id. Authenticated attackers can place their own entry id fi…","severity":"medium","cvss":4.2,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-639"],"vendor":"star7th","product":"ShowDoc","affected":["ShowDoc <= 3.9.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-30T15:21:25.839972Z"},"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T15:52:32.619Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119661","references":[{"url":"https://github.com/star7th/showdoc/issues/2612"},{"url":"https://github.com/star7th/showdoc/commit/53228511e656904abf7841c3d25ff78a4b5ce9c2"},{"url":"https://github.com/star7th/showdoc/blob/v3.9.5/server/app/Api/Controller/ParamDescLibController.php#L545-L584"},{"url":"https://hackmd.io/@hieuPenguinnn/showdoc-paramdesclib-cross-item-idor-delete"},{"url":"https://github.com/star7th/showdoc"},{"url":"https://www.vulncheck.com/advisories/showdoc-through-3.9.5-authorization-bypass-via-paramdesclib-deleteentries","label":"VulnCheck Advisory: ShowDoc through 3.9.5 Authorization Bypass via paramDescLib deleteEntries"}],"tags":["cve.org"],"epss":0.00379,"epssPercentile":0.32089,"ingestedAt":"2026-11-05T16:07:30.504Z","slug":"CVE-2026-119661","body":"## Overview\n\nShowDoc through 3.9.5 contains an authorization bypass vulnerability in the api/paramDescLib/deleteEntries endpoint that checks edit permission only for the first supplied entry id. Authenticated attackers can place their own entry id first and append other users' entry ids to permanently delete those parameter-description entries.\n\n## Affected\n\n- `ShowDoc <= 3.9.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":23.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}