abp-next-admin 10.4.0 through 10.7.0 contains a cross-tenant authorization bypass in the BlobManagement download-by-name endpoint, letting…
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.
Assessment
- CVSS
- 7.1 (v4.0)
- Severity
- High
- EPSS
- 0.3% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 30 October 2026
- Last updated
- 5 November 2026
- Affected
- colinin · abp-next-admin
- Weakness
- CWE-639
- Assigner
- disclosure@vulncheck.com
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
At the source
References
- https://github.com/colinin/abp-next-admin
- https://github.com/colinin/abp-next-admin/blob/10.7.0/aspnet-core/modules/blob-management/LINGYUN.Abp.BlobManagement.Application/LINGYUN/Abp/BlobManagement/BlobAppService.cs#L60-L68
- https://github.com/colinin/abp-next-admin/commit/3ea383093d51b18984652fc9b2d3dcc779a372ee
- https://github.com/colinin/abp-next-admin/commit/fc5e6d5a8a11a65e06fe001fe4a55e414956fc0c
- https://github.com/colinin/abp-next-admin/issues/1628
- https://github.com/colinin/abp-next-admin/pull/1633
- https://hackmd.io/@hieuPenguinnn/abp-next-admin-blob-download-by-name-cross-tenant-idor
- https://www.vulncheck.com/advisories/abp-next-admin-10.4.0-through-10.7.0-cross-tenant-file-disclosure-via-blob-download-by-name
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