CVE-2026-108854

Medium

Description

Wanwu before 0.6.3 contains an insecure direct object reference vulnerability that allows any authenticated enabled user to delete other users' legacy AppKeys by supplying a numeric apiId. Attackers can iterate sequential key IDs against DELETE /v1/appspace/app/key to revoke AppKeys across organizations, breaking MCP and OpenAPI clients until owners issue new keys.

SeverityMedium

CVSS5.4

Exploit probability—

ProductWanwu

PublishedOct 11, 2026

First seenOct 11, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

UnicomAI Wanwu0.6.3 or later

Patches

github.com/UnicomAI/wanwu/commit/13d0b225ec237d5a0b44730b2331efadaeb462a2

Vendor advisories

github.com/UnicomAI/wanwu/releases/tag/v0.6.3

Affected products

Product	Affected versions	Fixed in
UnicomAI Wanwu	v < 0.6.3	0.6.3

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