Auth bypass in Unicomai Wanwu
CVE-2026-108853
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-appspace-cross-owner-delete (third-party-advisory)
- github.com/UnicomAI/wanwu/blob/v0.6.2/internal/bff-service/service/appspace.go (technical-description)
- github.com/UnicomAI/wanwu/commit/13d0b225ec237d5a0b44730b2331efadaeb462a2 (patch)
- github.com/UnicomAI/wanwu/releases/tag/v0.6.3 (release-notes)
- github.com/UnicomAI/wanwu (product)
- www.vulncheck.com/advisories/unicomai-wanwu-before-0.6.3-idor-via-delete-v1-app… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108853?
- CVE-2026-108853 is a high-severity vulnerability in Unicomai Wanwu, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-10-11.
- How severe is CVE-2026-108853?
- High severity. CVSS v3 base score is 8.1 out of 10.