Auth bypass in Colinin Abp-Next-Admin
CVE-2026-119708
abp-next-admin 10.4.0 through 10.7.0 contains a cross-tenant authorization bypass in the BlobManagement download-by-name endpoint, letting authenticated users read other tenants' files. Attackers supply a victim tenantId in the request path, causing DownloadByNameAsync to switch tenant context and return blobs stored by that tenant.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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/colinin/abp-next-admin/pull/1633 (issue-tracking, patch)
- github.com/colinin/abp-next-admin/commit/3ea383093d51b18984652fc9b2d3dcc779a372… (patch)
- github.com/colinin/abp-next-admin (product)
- github.com/colinin/abp-next-admin/issues/1628 (issue-tracking)
- github.com/colinin/abp-next-admin/commit/fc5e6d5a8a11a65e06fe001fe4a55e414956fc… (patch)
- github.com/colinin/abp-next-admin/blob/10.7.0/aspnet-core/modules/blob-manageme… (technical-description)
- hackmd.io/@hieuPenguinnn/abp-next-admin-blob-download-by-name-cross-tenant-idor (third-party-advisory)
- www.vulncheck.com/advisories/abp-next-admin-10.4.0-through-10.7.0-cross-tenant-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119708?
- CVE-2026-119708 is a medium-severity vulnerability in Colinin Abp-Next-Admin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-10-30.
- How severe is CVE-2026-119708?
- Medium severity. CVSS v3 base score is 6.5 out of 10.