Medium severity4.2NVD Advisory· Published Oct 30, 2026
CVE-2026-119661
CVE-2026-119661
Description
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 first and append other users' entry ids to permanently delete those parameter-description entries.
Patches
Vulnerability mechanics
References
5- github.com/star7th/showdoc/blob/v3.9.5/server/app/Api/Controller/ParamDescLibController.phpnvd
- github.com/star7th/showdoc/commit/53228511e656904abf7841c3d25ff78a4b5ce9c2nvd
- github.com/star7th/showdoc/issues/2612nvd
- hackmd.io/@hieuPenguinnn/showdoc-paramdesclib-cross-item-idor-deletenvd
- www.vulncheck.com/advisories/showdoc-through-3.9.5-authorization-bypass-via-paramdesclib-deleteentriesnvd
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