Description
ABP Framework 2.9.0 before 10.6.2 and 10.7.0 pre-releases before 10.7.0 contain a path traversal vulnerability in DefaultBlobFilePathCalculator that allows unauthenticated attackers to access files outside the blob container. Attackers can send %5C-encoded backslashes through the Blogging api/blogging/files/{name} endpoint on Windows hosts to read files like appsettings.json containing signing keys and connection strings.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| abpframework | abp | 2.9.0 – < 10.6.2, 10.7.0-rc.1 – < 10.7.0, 0.14.0 – < 10.6.2, 10.7.0-rc.1 – < 10.7.0 | 10.6.2 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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yuwkaaa/CVE-2026-125753 ★ 0 · Nov 11, 2026
CVE-2026-125753 — path traversal out of the blob container in ABP Framework
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- GitHub Security Advisory (GHSA-4x2h-f4f8-xjr6) vendor-advisory
- https://github.com/abpframework/abp/pull/26232 issue-tracking patch
- https://github.com/abpframework/abp/commit/a25442ec688927a87b74a0403667dce84c88abc5 patch
- https://github.com/abpframework/abp/blob/10.6.1/framework/src/Volo.Abp.BlobStoring.FileSystem/Volo/Abp/BlobStoring/FileSystem/DefaultBlobFilePathCalculator.cs#L35 technical-description
- VulnCheck Advisory: ABP Framework before 10.6.2 and 10.7.0 Path Traversal via Blogging File Endpoints third-party-advisory