Auth bypass in Yunaiv Yudao-Cloud
CVE-2026-116015
yudao-cloud through 2026.09 contains an insecure direct object reference vulnerability in the mall trade module that allows authenticated members to read other members' after-sale operation logs by supplying arbitrary afterSaleId values. Attackers can enumerate sequential after-sale IDs against GET /app-api/trade/after-sale-log/list to expose refund amounts, status transitions and timestamps belonging to other members.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
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
- github.com/YunaiV/yudao-cloud/issues/344 (issue-tracking)
- github.com/YunaiV/yudao-cloud/commit/df604fbd9824195ec3e48e2dfd3341c1d4e1edea (patch)
- github.com/YunaiV/yudao-cloud/blob/593354d92a63f401ba73b95da868aade8c3d855d/yud… (technical-description)
- github.com/YunaiV/yudao-cloud/blob/593354d92a63f401ba73b95da868aade8c3d855d/yud… (technical-description)
- hackmd.io/@hieuPenguinnn/yudao-cloud-mall-after-sale-log-cross-member-idor (third-party-advisory)
- www.vulncheck.com/advisories/yudao-cloud-through-2026.09-idor-via-after-sale-lo… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-116015?
- CVE-2026-116015 is a medium-severity vulnerability in Yunaiv Yudao-Cloud, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-24.
- How severe is CVE-2026-116015?
- Medium severity. CVSS v3 base score is 4.3 out of 10.