knowns-dev knowns up to 0.33.0 Workspace Browse Endpoint path path traversal

Summaryinfo

A vulnerability categorized as problematic has been discovered in knowns-dev knowns up to 0.33.0. The affected element is an unknown function of the component Workspace Browse Endpoint. The manipulation of the argument path results in path traversal. This vulnerability is cataloged as CVE-2026-88940. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in knowns-dev knowns up to 0.33.0. It has been classified as problematic. Affected is an unknown functionality of the component Workspace Browse Endpoint. The manipulation of the argument path 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. CVE summarizes:

knowns through 0.33.0 fails to validate the path query parameter in the workspace browse endpoint, allowing remote attackers to enumerate arbitrary directories on the host filesystem. Attackers can traverse the directory structure to locate project directories and identify targets for further exploitation.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-88940 since 09/10/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/10/2026). The MITRE ATT&CK project declares the attack technique as T1006.

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

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Productinfo

Vendor

• knowns-dev

Name

• knowns

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31
• 0.32
• 0.33.0

Website

• Product: https://github.com/knowns-dev/knowns/

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