bleenco abstruse up to 2.1.0 Cache Endpoint download_cache.go filepath.Join file path traversal

Summaryinfo

A vulnerability marked as problematic has been reported in bleenco abstruse up to 2.1.0. Impacted is the function filepath.Join of the file server/api/worker/download_cache.go of the component Cache Endpoint. Performing a manipulation of the argument File results in path traversal. This vulnerability was named CVE-2026-108772. The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in bleenco abstruse up to 2.1.0. It has been classified as problematic. This affects the function filepath.Join of the file server/api/worker/download_cache.go of the component Cache Endpoint. The manipulation of the argument file with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality.

The advisory is shared at glacier-tarsal-711.notion.site. This vulnerability is uniquely identified as CVE-2026-108772. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is shared for download at glacier-tarsal-711.notion.site. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• bleenco

Name

• abstruse

Version

• 2.0
• 2.1.0

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

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Submitinfo

Accepted

• Submit #958032: bleenco Abstruse v2.1.0 Authentication Bypass, Path Traversal (by Zy0t1)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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