CVE-2026-119661

Medium

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.

SeverityMedium

CVSS4.2

Exploit probability—

ProductShowDoc

PublishedOct 30, 2026

First seenNov 4, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Patches

github.com/star7th/showdoc/commit/53228511e656904abf7841c3d25ff78a4b5ce9c2

Affected products

Product	Affected versions	Fixed in
star7th ShowDoc	v ≤ 3.9.5	—

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