Vulnerability · Published Oct 11, 2026 · Assigned by VulnCheck

CVE-2026-108853UnicomAI Wanwu before 0.6.3 IDOR via DELETE /v1/appspace/app

High 8.1

In plain English

A high-severity authorization bypass via user-controlled key in Wanwu from UnicomAI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.4%top 69.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

UnicomAI Wanwu before 0.6.3 contains an insecure direct object reference vulnerability that allows authenticated low-privileged users to delete other tenants' agent or RAG applications by supplying their appId. Attackers can send requests to DELETE /v1/appspace/app with guessed sequential assistant IDs to permanently delete victims' applications, workflows, conversations, and associated data.

Affected products (as reported)

Vendor	Product	Versions
UnicomAI	Wanwu	0 – before 0.6.3

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

References

https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-appspace-cross-owner-delete third-party-advisory
https://github.com/UnicomAI/wanwu/blob/v0.6.2/internal/bff-service/service/appspace.go#L20-L58 technical-description
https://github.com/UnicomAI/wanwu/commit/13d0b225ec237d5a0b44730b2331efadaeb462a2 patch
Wanwu v0.6.3 Release Notes release-notes
https://github.com/UnicomAI/wanwu product
VulnCheck Advisory: UnicomAI Wanwu before 0.6.3 IDOR via DELETE /v1/appspace/app third-party-advisory
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/cve-2026-108853-unicomai-wanwu-appspace-cross-owner-delete exploit