# CVE-2026-125753: ABP Framework before 10.6.2 and 10.7.0 Path Traversal via Blogging File Endpoints

Status: published. Published: 2026-11-10. Updated: 2026-11-10.

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.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/abpframework/abp/pull/26232
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/abpframework/abp/commit/a25442ec688927a87b74a0403667dce84c88abc5

## Affected products and versions

- abpframework / abp (Volo.Abp.BlobStoring.FileSystem): ≥ 2.9.0; < 10.6.2 (affected, semver); ≥ 10.7.0-rc.1; < 10.7.0 (affected, semver). Source: CNA: VulnCheck
- abpframework / abp (Volo.Blogging.Application): ≥ 0.14.0; < 10.6.2 (affected, semver); ≥ 10.7.0-rc.1; < 10.7.0 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 8.2 (high); CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 5.9 (medium); CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-22

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/abpframework/abp/security/advisories/GHSA-4x2h-f4f8-xjr6 (CNA: VulnCheck; vendor-advisory)

- https://github.com/abpframework/abp/pull/26232 (CNA: VulnCheck; issue-tracking, patch)

- https://github.com/abpframework/abp/commit/a25442ec688927a87b74a0403667dce84c88abc5 (CNA: VulnCheck; patch)

- https://github.com/abpframework/abp/blob/10.6.1/framework/src/Volo.Abp.BlobStoring.FileSystem/Volo/Abp/BlobStoring/FileSystem/DefaultBlobFilePathCalculator.cs#L35 (CNA: VulnCheck; technical-description)

- https://www.vulncheck.com/advisories/abp-framework-before-10.6.2-and-10.7.0-path-traversal-via-blogging-file-endpoints (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-125753; retrieved 2026-11-10; source updated 2026-11-10

Revision: 02e2871e4ae6b994cd12742147862ce041c859ada0e7fc2ad6ced1c91528393d

Canonical: https://y2.dev/cve/CVE-2026-125753

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