Vulnerability DatabaseCVE-2026-119661
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CVE-2026-119661
Published:October 30, 2026
Updated:November 03, 2026
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.
Affected Packages
https://github.com/star7th/showdoc.git (GITHUB):
Affected version(s) >=v3.7.1 <v3.9.6
Fix Suggestion:
Update to version v3.9.6
Related Resources (8)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119661.json
https://github.com/star7th/showdoc/blob/v3.9.5/server/app/Api/Controller/ParamDescLibController.php#L545-L584
https://nvd.nist.gov/vuln/detail/CVE-2026-119661
https://www.vulncheck.com/advisories/showdoc-through-3.9.5-authorization-bypass-via-paramdesclib-deleteentries
https://github.com/star7th/showdoc/commit/53228511e656904abf7841c3d25ff78a4b5ce9c2
https://hackmd.io/@hieuPenguinnn/showdoc-paramdesclib-cross-item-idor-delete
https://github.com/star7th/showdoc
https://github.com/star7th/showdoc/issues/2612
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CVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
CWE-639
EPSS
Base Score:
0.38