ABP Framework prior 10.6.2/10.7.0 {name} DefaultBlobFilePathCalculator name path traversal

Summaryinfo

A vulnerability classified as problematic has been found in ABP Framework. This issue affects the function DefaultBlobFilePathCalculator of the file /api/blogging/files/{name}. This manipulation of the argument Name causes path traversal. The identification of this vulnerability is CVE-2026-125753. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in ABP Framework. It has been declared as problematic. Affected by this vulnerability is the function DefaultBlobFilePathCalculator of the file /api/blogging/files/{name}. The manipulation of the argument name with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-125753 since 11/10/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 10.6.2 or 10.7.0 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• ABP Framework

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion