What’s Vulnerable › Vulnerabilities

CVE-2026-108854: Wanwu before 0.6.3 IDOR AppKey Deletion via DELETE /v1/appspace/app/key

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-11 · updated 2026-10-18
• Weakness: CWE-639

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.

Affected products

• UnicomAI Wanwu: before 0.6.3 — fixed in 0.6.3

How to fix

Upgrade to a fixed version: UnicomAI Wanwu 0.6.3. Check the vendor advisory for mitigations.

References

• https://github.com/UnicomAI/wanwu
• https://github.com/UnicomAI/wanwu/blob/v0.6.2/internal/app-service/client/orm/app_key.go#L26-L31
• https://github.com/UnicomAI/wanwu/commit/13d0b225ec237d5a0b44730b2331efadaeb462a2
• https://github.com/UnicomAI/wanwu/releases/tag/v0.6.3
• https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-appkey-delete-id-bola
• https://www.vulncheck.com/advisories/wanwu-before-0.6.3-idor-appkey-deletion-via-delete-v1-appspace-app-key

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