Auth bypass in Beikeshop
CVE-2026-111657
BeikeShop through 2.0.0.31 contains an insecure direct object reference vulnerability in the markAsShipped handler of RmaController that allows authenticated customers to modify other customers' returns. Attackers can submit sequential RMA ids to the account/rmas/{id}/mark_as_shipped endpoint to overwrite courier names and tracking numbers and mark approved returns as shipped.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
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:N/I:L/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
- hackmd.io/@hieuPenguinnn/beikeshop-rma-mark-as-shipped-missing-ownership-idor (third-party-advisory)
- github.com/beikeshop/beikeshop/blob/v2.0.0.31/beike/Shop/Http/Controllers/Accou… (technical-description)
- github.com/beikeshop/beikeshop/blob/v2.0.0.31/beike/Shop/Routes/shop.php (technical-description)
- www.vulncheck.com/advisories/beikeshop-through-2.0.0.31-idor-via-rma-mark-as-sh… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111657?
- CVE-2026-111657 is a medium-severity vulnerability in Beikeshop, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-16.
- How severe is CVE-2026-111657?
- Medium severity. CVSS v3 base score is 4.3 out of 10.