CVE-2026-119661

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.

CVSS v3 4.2 MEDIUM

4.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/star7th/showdoc
https://github.com/star7th/showdoc/blob/v3.9.5/server/app/Api/Controller/ParamDescLibController.php#L545-L584
https://github.com/star7th/showdoc/commit/53228511e656904abf7841c3d25ff78a4b5ce9c2
https://github.com/star7th/showdoc/issues/2612
https://hackmd.io/@hieuPenguinnn/showdoc-paramdesclib-cross-item-idor-delete
https://www.vulncheck.com/advisories/showdoc-through-3.9.5-authorization-bypass-via-paramdesclib-deleteentries

Configurations

No configuration.

History

30 Oct 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-30 15:16

Updated : 2026-10-30 19:23

NVD link : CVE-2026-119661

Mitre link : CVE-2026-119661

CVE.ORG link : CVE-2026-119661

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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