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

Medium 5.3 Published Updated

Authenticated users can delete other users' AppKeys via IDOR, disrupting API clients and requiring key reissuance.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-108854?

CVE-2026-108854 is a medium-severity missing authorization vulnerability in UnicomAI Wanwu, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-639

Which versions are affected by CVE-2026-108854?

How do I fix CVE-2026-108854?

No fix has been published for CVE-2026-108854 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-108854 being exploited?

There is no known exploitation of CVE-2026-108854 in the wild and no public exploit code.

Sources

Also known as GHSA-975v-7377-g4qf.

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